12 x 12 x 4" Corrugated Boxes

Perfect for apparel, picture frames, books, scales, spools of wire and electronic equipment. Boxes ship flat for freight and storage savings. Larger quantities, call for quote. DIMENSIONS: Outside: 12 3/8 x 12 3/8 x 4 5/8" (+/- 1/8") All FedEx and all UPS Dimensional Weight: 6 lbs MATERIAL:  C flute FEATURES: All boxes open along the length (first dimension). Seams are glued. SPECIFICATIONS: Meets ASTM D5118 TERMINOLOGY: 200# Test vs 32 ECT (Edge Crush Test): 200# Test: 60% stronger bursting strength. Recommended by UPS for shipping up to 40 lbs. 32 ECT: Recommended by UPS for shipping up to 30 lbs. Pound Test Refers to Bursting Strength: 200# test boxes withstand 200 lbs/sq.in. of side wall pressure before bursting. ECT Refers to Stacking Strength: 32 ECT boxes withstand 32 lbs/linear inch of stacking weight before crushing. An alternative for lightweight shipments.