8 x 6 x 4" Corrugated Boxes

200 LB. TESTHigh quality corrugated boxes in a large selection of sizes. Use to pack, ship and store products. Easy to set up, load and close. Shipped flat for freight savings. DIMENSIONS: Outside: 8 3/8 x 6 3/8 x 4 5/8" (+/- 1/8") All FedEx and all UPS Dimensional Weight: 2 lbs MATERIAL:  All 200# kraft test boxes are C flute except:   B flute:  S-13287 (3 x 3 x 3") S-16725 (4 x 4 x 3") S-4040 (4 x 4 x 4")  S-19037 (4 x 4 x 5") S-4050 (5 x 5 x 5") 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.