These 200 lb. test corrugated cardboard boxes are perfect for storing or shipping round, cubic or odd shaped items. 

DIMENSIONS:

• Outside: 4 3/8 x 4 3/8 x 4 5/8" (+/- 1/8")

• UPS Domestic Dimensional Weight: 1 lb

• All FedEx and UPS Air International Dimensional Weight: 1 lb

MATERIAL:

• B flute corrugated cardboard

FEATURES:

• Seams are glued.
• All boxes open along the length (first dimension).

SPECIFICATIONS:

• Meets ASTM D5118 and D3951.

200# TEST VS 32 ECT (EDGE CRUSH TEST):

• 200# test:
  • 30-50% 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.