Pls. Note:1.Releasing bubble vinyl2.non-toxic, lead free, environment-friendly.3.No dirty on the wall.4.Removeable, Reusable, Repositionable, Wearable.5.Water-proof,Heat & Steam resistant.6.Pass the certification of SGS, BV test.Browntech special in wall sticker from 2004, and have exprot five million sets in 2008. All products from BrownTech pass through the SGS and BV test (Bureau Veritas) . Browntech wall stickers availabled in 19 countrys, and we have more experience on export wallstickers, such as shipping, mass production and quality control.Browntech research wall vinyl in several years ago, the vinyl are special for wall, has releasing bubble channels creatively. This invention can make your stickers on the wall remove air bubbles easy and not destroy the surface. The vinyl is environmentally friendly lead-free and non-toxic substances, does not affect the children. The most convenient, it's removeable, reusable, repositionable. If the sticker be taken off, no dirty is left, and you can apply it again. Also, the sticker is Water-proof, Heat & Steam resistant. There are many designs for your reference as well as we can OEM for you.