EcoSwift Brand Premium 4x4x18 Tall Long Cardboard Boxes Mailing Packing Shipping Box Corrugated Carton 23 ECT, 4"x4"x18", Brown, 75-Pack

Dimensions: 4" x 4" x 18" (L x W x H) Lightweight, single wall corrugated cardboard 23-LB Edge Crush Test (ECT) Quantity: 75