EcoSwift Brand Premium 8x8x4 Cardboard Boxes Mailing Packing Shipping Box Corrugated Carton 23 ECT, 8"x8"x4", Brown, 50-Pack

Dimensions: 8x8x4 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 DHL