50 Pack 7X5X3 Kraft Mailer Plain Kraft Cardboard Shipping Boxes Cartons Packing

Recommended for tools, small parts, nuts and bolts, glassware and other small items. Plain kraft mailer This listing does not include free ship to Hawaii, Alaska, Puerto Rico, or the Virgin Islands. Shipping quotes available upon request. DIMENSIONS: Inside: 7 x 5 x 3 (+/- 1/8") FEATURES: Outside of carton is kraft All boxes open along the length (first dimension). No tape is required to assemble carton. SPECIFICATIONS: Meets ASTM D5118 TERMINOLOGY: Material 32 ECT (Edge Crush Test) 32 ECT: Recommended by UPS for shipping up to 30 lbs. ECT Refers to Stacking Strength: 32 ECT boxes withstand 32 lbs/linear inch of stacking weight before crushing. BOX STRENGTH GUIDELINES: (Maximum weight per box) FIBER BOX HANDBOOKUPS GUIDELINES 32 ECT Single Wall65 lbs30 lbs