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. Inner Dimension Outer Dimension #000 4x7 5x7 #00 5x9 6x9 #0 6x9 7x9 #1 7.25x11 8.25x11 #2 8.5x11 9.5x11 #3 8.5x13.5 9.5x13.5 #4 9.5x13.5 10.5x13.5 #5 10.5x15 11.5x15 #6 12.5x18 13.5x18 #7 14.25x19 15.25x19