100 percent recycled kraft corrugated small mailer boxes, and -piece design is easy to fold and recover in seconds Save More: These 10x6x4 inches mailers will be slightly thinner than usual cardboard boxes, but at the same time, they are harder and lighter for business saving. Easy to Assemble: 10x6x4 inch mailing boxes are shipped flattened for easy storage, and they are easy to fold. 100% Recycled : These mailers are made of corrugated cartons which are recyclable and eco-friendly. Size: These cardboard boxes are sized to pack and small articles. It will also work great for small items. Wide Usage: This cube carton cut properly and measure 10 x 6 x 4 inches, it can hold a lot of things, such as coffee mugs, bowls, craft items etc. Painted and decorated as your needs.