Poly Bubble Mailers Padded Envelopes Packaging Shipping Mailing Bags Great Price, Great QualityMade in the USA. Fast Shipping Lightweight Design: The lightweight nature of our mailer helps reduce shipping costs while maintaining excellent protection for your items.Water-Resistant: The mailer's water-resistant properties keep your packages safe from moisture, ensuring your items arrive dry and undamaged.Self-Seal Closure: The convenient self-seal closure eliminates the need for additional tapes and streamlines the packing process, saving you time and effort.Versatile and Customization: The extra smooth surface of the mailer allows for easy handwriting or labeling, making it suitable for a variety of items and personalized branding.3/16" Bubble Lining: The bubble lining provides exceptional cushioning, reducing the risk of shipping damage and protecting your items during transit.Eco-Friendly Materials: Each mailer is made from 100% Polyethylene and is completely recyclable. OUTER SIZE USABLE SIZE #000 4x8" 4x7" #00 5x10" 5x9" #0 6x10" 6x9" #1 7.25x12" 7.25x11" #2 8.5x12" 8.5x11" #3 8.5x14.5 8.5x13.5 #4 9.5x14.5 9.5x13.5 #5 10.5x16 10.5x15 #6 12.5x19 12.5x18 #7 14.25x20 14.25x19