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Price Match
We guarantee our prices are extremely competetive and should be the BEST prices you will find on-line, along with delivering the very best service. For this reason, we offer a price match against other on-line sellers. If you find the same product elsewhere on line, give us a call on 0345 224 3691 and we will match or even beat it! Note that the following conditions must be met for the price match to apply:
- The item must be available on a UK website at the advertised price, and readily available to purchase, with a like for like delivery offering.
-The item in question must have the same specifications, quantity and be produced by the same manufacturer - although we will usually price match even if made by a different manufacturer, as long as its a comparable quality.
- Auction sites such as ebay and amazon do not qualify for price match.
- The price match cannot be used in conjunction with any discount codes or promotional items.
- If there are pricing errors on competitors sites that are clear typographical pricing errors, these will not be matched.
- Note that for corrugated lines (boxes/cartons), the item must be of the same specification (fluting and thickness) and be unbranded.
Call us on 0345 224 3691 and we will be more than happy to help!
Amazon Shipping Box Sizes: Dimensions & Requirements
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Key Takeaways
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Amazon's two main fulfilment routes, Seller Fulfilled Prime (SFP) for self-shipped orders and FBA for warehouse-fulfilled orders, both price shipments by the size tier your carton fits into.
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Going even one millimetre over a tier maximum pushes you into the next bracket, so a 50.1x40x30cm box ships at the higher rate even when the product inside has not changed.
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Amazon Shipping runs six tiers that reach up to 160x60x60cm, and Globe Packaging stocks boxes cut to each tier's maximum, so UK sellers stay in the cheapest possible bracket.
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FBA uses five common tiers from the 33x23x2.5cm Standard Envelope to the 120x60x60cm Standard Oversize, all capped at 23kg per carton, and Globe Packaging supplies cartons built to every one.
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For sellers running SFP and FBA together, Globe Packaging's range includes the shared 61x46x46cm and 120x60x60cm boxes that work in both systems, allowing larger bulk orders and lower per-unit cost.
Amazon Shipping Boxes: What You Need to Know
Amazon prices your shipments by box size. Seller Fulfilled Prime (SFP) sellers ship through six size tiers, and Fulfilment by Amazon (FBA) sellers fulfil through five common tiers, each one tied to a different postage rate or per-unit fee. The smallest tier you can fit your product into is always the cheapest one to ship from.
The catch is that Amazon also rejects boxes that fail its compliance rules. Cartons must be new or like-new corrugated cardboard, with intact flaps and contents that fit snugly with no voids or protrusions. FBA adds a 23kg weight cap on every box. A non-compliant carton gets refused at the fulfilment centre, regardless of size.
Below is the full breakdown of every SFP and FBA tier, the dimensions to build to, and where to source boxes that hit each tier's maximum.
Amazon SFP Shipping Box Sizes & Maximum Dimensions
Amazon SFP Shipping sellers need to ship through Amazon’s own carrier network and follow the shipment size instructions.
Amazon Shipping is Amazon's own carrier service, available to Seller Fulfilled Prime (SFP) sellers and others who store and pack orders themselves. Amazon Shipping has six parcel tiers, each with a hard maximum. The box must fit within those maximums, not simply match them, to qualify for that tier's postage rate.
Large Letter SFP: Max Size 35.3x25x2.5cm
Large Letter is Amazon Shipping's smallest, cheapest bracket, capped at 35.3x25x2.5cm (353x250x25mm) with a 750g weight cap. It suits flat, lightweight items like documents, greeting cards, and slim phone cases. The dimensions match Royal Mail's Large Letter exactly, so one box spec serves both carriers for multichannel sellers.
Small Parcel SFP: Max Size 45x35x16cm
The Small Parcel tier is ideal for compact, lightweight products, with maximum external dimensions of 45x35x16cm (450x350x160mm). It's one of the most cost-effective SFP tiers, so fitting your product into this size wherever possible keeps postage costs down.
Standard Parcel SFP: Max Size 50x40x30cm
The Standard Parcel tier allows a maximum external size of 50x40x30cm (500x400x300mm) and is the most commonly used tier for everyday retail products shipped via Amazon Shipping. Boxes manufactured to these exact dimensions, such as those available through Globe Packaging, hit the maximum allowable size without tipping into the next tier.
Medium Parcel SFP: Max Size 61x46x46cm
The Medium Parcel tier accommodates bulkier items while keeping you out of the large parcel bracket, with maximum dimensions of 61x46x46cm (610x460x460mm) externally. This maximum is shared with the FBA Small Oversize tier, creating useful overlap if you're running both fulfilment models simultaneously.
Large Parcel SFP: Max Size 67x51x51cm
For items too large for medium dimensions, Large Parcel SFP allows up to 67x51x51cm externally. It's less commonly used but critical for home goods, sporting equipment, and similarly sized products. Exceeding this means moving into Extra Large territory, which carries a significantly higher postage rate.
Extra Large Parcel SFP: Max Size 120x60x60cm
The Extra Large Parcel tier is the ceiling for Amazon Shipping, with a maximum external size of 120x60x60cm for Two-Day delivery or 160x60x60cm for Next-Day delivery. It's designed for bulky, lightweight items like flat-pack furniture components, large sports gear, or oversized retail packaging. Weight limits still apply at this tier, and exceeding them independently of dimensions can still affect your rate.
Amazon FBA Box Sizes & Maximum Dimensions
For Amazon FBA, the size of your boxes affects how big your fulfilment fees are, as well as the charges for picking,
packing, and dispatching every order.
FBA box sizing works differently from SFP. Box dimensions directly affect your fulfilment fees, the rate Amazon charges to pick, pack, and dispatch each order. The five most commonly used size categories are covered below, from a thin envelope to a large oversize box. Picking the smallest tier your product fits into is the fastest way to lower per-unit fulfilment costs.
Standard Envelope FBA: Max Size 33x23x2.5cm
Standard Envelope is FBA's smallest, cheapest tier, capped at 33x23x2.5cm (330x230x25mm). Purpose-built boxes run 325x224x24mm externally and 321x220x20mm internally, fitting phone cases, greeting cards, and slim accessories under 25mm deep. They also qualify as Royal Mail Large Letters. If your product is just over 2.5cm, redesigning to hit this tier saves money at scale.
Small Parcel FBA: Max Size 35x25x12cm
The Small Parcel FBA tier allows a maximum external size of 35x25x12cm (350x250x120mm), with purpose-built boxes coming in at 343x241x114mm internally. It suits small retail products, electronics accessories, and compact consumer goods. These boxes also qualify as small parcels under Royal Mail's postage classification, hitting a sweet spot across multiple carrier rate cards.
Standard Parcel FBA: Max Size 45x34x26cm
The most widely used FBA tier covers the bulk of standard retail products: books, kitchenware, clothing, and beauty. Maximum external dimensions are 45x34x26cm (450x340x260mm). The next tier up, Small Oversize, carries noticeably higher fulfilment fees, so borderline products are worth a quick packaging review.
Small Oversize FBA: Max Size 61x46x46cm
The Small Oversize tier caps at 61x46x46cm (610x460x460mm) and suits larger household items, small appliances, toys, and sporting goods. This maximum is shared with the Medium Parcel SFP tier, so one box spec can serve both fulfilment models, a useful saving when ordering in bulk.
Standard Oversize FBA: Max Size 120x60x60cm
The largest FBA category caps at 120x60x60cm (1200x600x600mm), reserved for flat-pack furniture, large toys, and bulky home equipment. Fulfilment fees at this tier are significantly higher, so only use it when product size demands it.
Amazon Shipping Boxes: Summary Table
What Are the Requirements of Amazon Shipping Boxes?
Amazon has specific packaging standards across both SFP and FBA. Non-compliant boxes can be refused at fulfilment centres or returned through the SFP network.
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Use new or like-new corrugated cardboard. Damaged, wet, or worn boxes will be rejected.
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All flaps must be intact.
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Size boxes appropriately to the contents. No excess void space, no protruding items.
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Single or double wall construction is accepted, depending on weight and fragility.
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FBA shipments must carry the correct Amazon box ID label on the outside.
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FBA cartons cap at 23kg (approximately 50 lbs), unless a single unit exceeds that weight.
For FBA specifically, boxes must also withstand warehouse stacking pressure. Double wall is strongly recommended for heavier or fragile items to make sure they survive both transit and handling.
Get Your Amazon Shipping Boxes at Globe Packaging
Amazon FBA and SFP boxes are available at Globe Packaging.
Choosing the right box size lowers your Amazon fulfilment fees, keeps shipments fully compliant, and protects your margins on every order. The wrong one can land you in a higher pricing bracket, or get your carton refused at the warehouse.
At Globe Packaging, we stock cartons built for Amazon Shipping and FBA tier maximums, so you always stay in the cheapest possible bracket. Order in bulk from our 60,000 sq ft UK depot for trade pricing and same-day dispatch.
Shop for Amazon shipping boxes at Globe Packaging today!
Frequently Asked Questions (FAQs)
What is the difference between Amazon FBA and Amazon Shipping box sizes?
FBA and Amazon Shipping use separate tier systems. FBA tiers tie to fulfilment fees; Amazon Shipping tiers tie to postage rates for SFP sellers using it as their carrier. Some dimensions overlap (61x46x46cm fits Medium Parcel SFP and Small Oversize FBA), but the systems are priced independently.
Can I use the same box for both Amazon FBA and Seller Fulfilled Prime?
Yes, where maximums overlap. The most useful are 61x46x46cm (Medium Parcel SFP and Small Oversize FBA) and 120x60x60cm (Extra Large Parcel SFP and Standard Oversize FBA). Standardising on these lets hybrid sellers order in bulk. Note that FBA also enforces a 23kg per-carton cap and extra labelling rules SFP does not.
What happens if my box exceeds the maximum dimensions for my Amazon shipping tier?
Amazon reclassifies it into the next bracket up. For SFP, that means a higher postage rate; for FBA, a higher per-unit fulfilment fee. Oversized cartons can also be refused at the fulfilment centre, and repeat issues flag your account. Using boxes built to exact tier maximums avoids this.
How can you check package size on Amazon?
In Seller Central, go to Reports > Fulfilment > Fee Preview. The report shows recorded dimensions, assigned size tier, and applicable fees per ASIN. If a unit looks wrongly measured, submit a remeasurement request and Amazon will physically check it. Review this report regularly, since small packaging changes can shift tiers.
Does Globe Packaging stock boxes designed for other couriers as well?
Yes. Globe Packaging also stocks Royal Mail boxes. Several FBA sizes double up: Standard Envelope FBA counts as a Large Letter, Small Parcel FBA as a Small Parcel, and Standard Parcel FBA as a Medium Parcel. That means fewer SKUs for multichannel sellers.
*Note: Product listings, prices, and delivery times shown are approximate and subject to change. Contact Globe Packaging for the latest information.
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