BXg.) 50 - 8"x8"x10"-- Our Boxes are made of high quality materials, 200-LB Test, 32-lb. Edge Crush Test (ECT), FedEx/UPS/USPS Approved, Fabulous for shipping a wide variety of items. Our Boxes provide outstanding low cost shipping protection. Upgrade your company image and ship with confidence with these Boxes . Maximize shipping success while reducing costs. Shipping labels adhere securely to them.