MADE IN USA - TOP QUALITY POLY BUBBLE MAILERS Easy to pack, easy to mail, easy to use. Poly bubble mailers help make shipping your products, gifts, toys, cards, files, and more very easy. Lightweight option for shipping Comes in various sizes and case Quantities, ranging from small to large sizes. Best for offices, business, schools, at home projects, and more! Dimensions & Pack size: 8.5" x 12" pack of 100 mailers - Outer: 8.5" x 12" / Inner: 8.25" x 11.75" Self Sealing tear strips for easy closure, water proof outside to keep from water damage during transit, smooth texture, easy to apply shipping labels, and easy to write on Made with polyethylene film, interior lined wall covered with protruding air-filled bubbles that provide cushioning for fragile items and extra protection, a double wall co-extruded for durable support,