Easy to apply or remove, it can be applied to any flat, clean and non-textured surface. Mainly made of safe and PVC material, lightweight and with good texture. LIGHT SWITCH IDENTIFICATION STICKERS-- Device switch sticker, allowing you to quickly find the light switch conveniently and easily, is practical to use. The device switch sticker is suitable for factory, company, living room, bedroom, kitchen, bathroom, office, etc. Device switch sticker, allowing you to quickly find the light switch conveniently and easily, is practical to use.