•Size: 160 mm x 230 mm (Internal Dimensions), THE SAME SIZE AS THE SIZE 01 ENVELOPE SELLING IN THE POSTOFFICE.   •Lightweight for postal savings.   •Seamless bottom affords additional cushioning protection along with greater overall strength and safety.   •High-slip AirCap cushioning material allows faster, easier product insertion.   •Fully laminated kraft and air cellular construction provides outstanding stiffness and puncture resistance.   •Convenient self-seal closure saves labor and eliminates the need for staples and tape, while forming a water-resistant, secure package.   •Made from 100% recycled content   •Quantity: 250pcs