[20 Pack 18 X 14 X 4″ Shipping Boxes, Full Overlap Flaps] Full overlap flaps design adds tremendous stacking strength for box during shipping and storage. Each carton’s set up size is 18 X 14 X 4 inches, with a net weight of 0.67 LBS. The flat packaging size of the carton is 27 X 18.5 X 0.2 inches, and the packaging size for 20 PK cartons is 27 X 18.5 X 6.3 inches. The net weight of the 20 PK product is 13.4 LBS. When shipped your 20PK boxes will be taped up with clear tape [Printed with FixtureDisplays Brand] Boxes are printed [Custom Orders Welcome] No minimums. Can print your logo. Custom size – this takes about 12 weeks [Singlewall B Flute 150 lbs Burst] The burst test is 150 LBS [Great for E-Commerce] Great for clothing, books, household items, storage rooms, office supplies, and other personal items [Recommend Tape, and Tape Gun] Recomend our 2″X110′ clear tape: 14427-P,line is: https://www.ebay.com/itm/305211809654; Also recommend tape gun: 14398, line is: https://www.ebay.com/itm/276056202946…