Provide enhanced protection to your goods and belongings by storing them in the Partners Brand 1394R 4" brown flat corrugated boxes. It is designed using corrugated cardboard that is known to keep the goods and equipment protected from external da mage. Its rectangle shape gives you more room to store your items. This mailer comes in a size of 4"H 13"W 9"D. It can be shipped and stored flat to save space. Overall Dimensions: 13"(L) 9"(W) 4"(H). 200#/ECT-32 (Edge Crush Test) - meets standard requirements for shipping. Durable corrugated fiberboard. 25/Bundle. Dimensions: 4"H 13"W 9"D. Pack Size: 25/Bundle. Brown flat corrugated boxes keeps the stored goods in excellent condition and prevents external damage during shipping.