Amazon Cuts Maximum FBA Box Length to 63.5 cm for Multi-Item Shipments
Amazon has cut the maximum length for multi‑item FBA boxes from 91.4 cm (36 in) to 63.5 cm (25 in) for all new inbound shipments to UK and European fulfillment centers. Width and height remain at 63.5 cm, turning the allowable shape into a cube, and non‑compliant cartons may be rejected or incur per‑unit service fees.
Overview
Amazon has lowered the maximum length allowed for multi‑item standard boxes used in FBA shipments from 91.4 cm to 63.5 cm. The rule applies to all new inbound shipments destined for UK and European fulfillment centers, and non‑compliant cartons may be rejected or incur unplanned service fees. Sellers must adjust their packaging processes immediately to avoid delays and extra costs.
Key Points
- Length cap reduced to 63.5 cm — Boxes that previously could be up to 91.4 cm long must now fit within a 25‑inch limit.
- Uniform three‑dimensional limit — Width and height remain at 63.5 cm, turning the allowable shape into a cube.
- Only future shipments affected — Inventory already stored in Amazon’s network is exempt from the new rule.
- Pan‑European scope — The restriction covers the United Kingdom and all major European fulfillment sites.
- Penalties for oversize cartons — Non‑compliant boxes can be turned away at the dock or trigger per‑unit service fees.
How the New Box Length Limit Works
- Measure every side of the carton — Before creating a shipping plan, verify that length, width, and height each do not exceed 63.5 cm. For example, a 60 cm × 55 cm × 50 cm box passes, while a 70 cm × 55 cm × 50 cm box fails because the length is over the limit.
- Select a compliant box size in your packing software — Update any preset dimensions in third‑party shipment tools so they automatically suggest boxes no larger than 63.5 cm on any side. A seller using a 90 cm‑long box template would need to switch to a 60 cm‑long template to stay compliant.
- Label and submit the shipment — Once the box dimensions meet the new criteria, generate the FBA shipping labels and send the cartons to the designated Amazon warehouse. If a box still exceeds the limit, Amazon may refuse it at the receiving dock, returning it to the seller or applying a service charge.
Context: Before vs. After the Change
- Before: A seller could consolidate 30 small accessories into a single 85 cm × 45 cm × 40 cm box, reducing the number of cartons and shipping costs.
Analysis & Recommendations
Why This Matters
The new 63.5 cm cube limit forces sellers to redesign packing, potentially increasing carton count and inbound freight costs. Failure to comply can lead to dock refusals or unplanned service fees, disrupting inventory flow and sales velocity in European marketplaces.
Key Takeaways
- Length cap reduced to 63.5 cm (25 in), down from 91.4 cm (36 in).
- Width and height also limited to 63.5 cm, creating a cube‑shaped limit.
- Applies to all future inbound shipments to the United Kingdom and all major European fulfillment centers.
- Oversized cartons may be turned away at the dock or trigger per‑unit service fees.
Recommended Actions
- →Audit current box inventory in Seller Central > Inventory > Packaging and replace any box longer than 63.5 cm.
- →Update default box dimensions in packing tools (e.g., ShipStation, Skubana) via Settings > Shipping > Box Settings to 63.5 cm on all sides.
- →Notify prep‑center and freight‑forwarder partners with a written dimension sheet and request compliant 63.5 cm cube boxes for the next shipment.
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