DURABLE MATERIAL: Our cardboard shipping boxes are made of ultra hard cowhide cardboard, making it more sturdy and durable. It has good anti extrusion performance, which can prevent package damage and protect your transported items intact and undamaged. THE PACKAGE INCLUDES: You will receive a package containing 30 parcel boxes, which are folded to a size of 15 x 10 x 5cm/5.9 x 3.9 x 1.9 inches. The unfolded dimensions are 35 x 35cm/13.7 x 13.7 inches, sufficient in quantity to meet your needs. EASY TO FOLD: The postage box has a square shape after folding, and the folding process is very simple. You can quickly fold it, and most importantly, you can package your items without using tape. When opening, simply open the lid. FREE CUSTOMIZATION: There is no printed logo on the kraft paper box, making it easy for you to customize. WIDE RANGE OF USES: The corrugated cardboard boxes are small in size and meet the specifications of most mail and transport carriers. They are very suitable for shipping small and light items, such as small gifts, eyebrow pens, eye shadow, candles, perfume, mobile phone cases and other small items.