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# 150 Units per Carton Limit for Case-Packed Shipments

## Why Amazon Limits Case-Packed Cartons to 150 Units

SKUdrop uses Amazon's Case Packed option when shipping to FBA warehouses.

Amazon enforces a **maximum of 150 units per carton** for Case-Packed shipments to support safe, efficient, and consistent fulfillment center operations.

This limit exists to:

* **Protect worker safety** – Cartons with more than 150 units often exceed safe manual handling weights, increasing injury risk.
* **Improve receiving efficiency** – Standardised carton sizes move faster through Amazon’s automated and manual receiving systems.
* **Reduce damage risk** – Overpacked cartons are more likely to tear, collapse, or damage units during transit and handling.
* **Optimise storage and slotting** – Predictable carton sizes allow Amazon to efficiently plan shelf, bin, and pallet space.
* **Minimise exceptions and delays** – Oversized or overweight cartons frequently trigger manual handling, delays, or rejections.

Unless Amazon has explicitly approved an exception for a specific ASIN, **each case-packed carton should contain no more than 150 identical units of the same SKU**.

Adhering to this limit helps ensure shipments are accepted without delays, chargebacks, or rework.