Beta Package own 15 years on making and selling shipping mailers which enable us to possess rich experience in co-operating with big famous customers, such as many POST OFFICE, Global express company, Office supplies, etc. Golden Kraft Bubble Mailer #00 5×10 inch Fully 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.