Postal Approved Poly Mailers are our premium option for e-Commerce shippers since they are certified to meet US Postal Service requirements for shipping. Made from extremely strong 2.5 mil, fully-opaque, co-extruded LDPE, these lightweight protective envelopes are tamper-evident, tear-resistant, and water-resistant. They have a tear perforations for easy opening and an anti-static adhesive strip that prevents the mailers from sticking together in mass-packing operations. These mailers are ideal for mass packing operations and will help save in shipping costs due to their light weight.   

Features

• Certified to USPS Standards
• Tamper evident, anti-static mylar adhesive strip
• Tear perforation for easy opening
• Fully recyclable after use with #4 LDPE