Laser Film Package Bags, Bubble Mailer, Padded Envelopes, Rectangle, SilverSize: about 5.91 inch(150mm) wide, 9.44 inch(240mm) long, 0.24 inch(6mm) thick, bag: 9.06x6.38 inch(230x162mm).â Material: Adopt high quality polyethylene(PE) material, lightweighted & waterproof, not easy to be punctured. â Excellent Protection for Goods: The bubble mailer is designed with full bubble lining, which can effectively protect the items inside from damage especially during tranisit. â Usage: Fit for small items such as books, jewelry, eletronic products, suitable as delivery package bags for small online business ower. â Easy to Use: The bubble mailer uses hot melt glue, which is covered by a strip. Just peel off the strip and seal the bubble mailers tightly. â Waterproof & Moisture Resistance: Not worried that your items wrapped in this bubble mailer will get damp with the outside layer of PET waterproof aluminum laminated films and the lining of waterproof bubble film.