Outside size: 4×8 inch inside size: 4×7+1.57 flap.Pack of 50 pcsFully laminated Kraft and air cellular construction provides outstanding stiffness and puncture resistance Lightweight for postal savings. Seamless bottom affords additional cushioning protection along with greater overall strength and safety. High-slip bubble cushioning materials allows faster, easier product insertion. Convenient self-seal closure saves labor and eliminates the need for staples and tape while forming a water-resistant, secure package. Golden, brown look, elegant appearance. Kraft exterior presents a quality image and makes an excellent surface for custom printing.