We can customize this mailer box product, its characteristic is the three layers are divided into a-type b-type and e-type, and the material thickness is 4 mm, 3 mm, and 1.5 mm respectively. Most airplane boxes are made of b-type and e-type. The thickness of a-type is 4 mm. The front socket is not convenient to insert when folded. Generally, Taobao clothing, small accessories, and four-piece suits are mostly used. The five layers are divided into ab watts, be watts, and ae watts, but only be watts suitable for aircraft boxes, with a thickness of 3-4 mm, are generally used to install liquid crystal displays and other products with high pressure resistance requirements on.