Art3d seashell mosaic tile is made of genuine natural mother of pearls, 100% eco-friendly material, water and fireproof, no radiation, no pollution, no color fading. Luxury tile with the natural pearl luster. Beyond the eco-responsibility of reusing materials, it's indisputable that the mother of pearl shell mosaic wall tile brings beauty and character that nothing else can. The handcrafted wall art of sea/river shells salvaged from nature, each piece's imperfections make it unique. This Mosaic Tile in White has a self-adhesive backing for peel-and-stick installation. Peel and stick tiles have a foamy layer of sticker on the back, the tiles can be easily installed directly over existing panels or smooth surfaces.