GUARANTEE: If you encounter any problems while using the party decorations, please contact us before leaving a product review and we will provide you with the best solution. Multiple use: Can be used as interior decoration, beautification, mirror reflection effect make the interior space more spacious; Replace glass mirrors to use in bedroom, living room, dressing room, kitchen, gym, office etc. Easy to use: Lightweight and. The back has glue on it. Just peel protective films, then stick them to smooth surface, such as tiles, walls, doors, windows, closet. Very sticky, can not fall off easily. Notice: Plastic mirror tiles are made of premium acrylic material with smooth surface. Please note that they come with transparent plastic films on facade and white protective covers on the back that you need peel off when you use. Mirror wall stickers: Just peel off the transparent protective film, will display a clear mirror effect, can be used in bedroom, dressing room or as decorations, with reflection effect of glass mirror surface. They are in no danger of breaking and causing injury.