[header] How to make a wardrobe box [title] Find a new cardboard box. [step] The taller, the better. It should be tall enough to hold coats. 
According to most man and van companies, the best and most widely used size dimensions are 61 cm x 53 cm x 122 cm (24 " x 21 " x 48 " ) [title] Cut 50 cm from two of the top edges down. [step] Add a fold, so it can look like an additional flap.