EcoSwift Brand Premium 12x9x3 Cardboard Boxes Mailing Packing Shipping Box Corrugated Carton 23 ECT, 12"x9"x3", Brown, 50-Pack

Dimensions: 12x9x3 200-LB Single Wall Corrugated 23-LB Edge Crush Test (ECT) Extremely lightweight material helps save on postage High strength seams for maximum protection Surface easily accepts ink, stamps, and labels Approved for USPS, FedEx, UPS, and DHLYou may also like EcoSwift Brand Premium 10x8x6 Cardboard Boxes Mailing Packing Shipping Box Corrugated Carton 23 ECT, 10"x8"x6", Brown, 75-Pack.