Amaonm Set of 9PCS 6"x6" Square Reflective Mirror Wall Stickers Surface Creative Decor Art DIY 3D PET Crystal Mirror Wall Decals for Kids Boys and Girls Bedroom Bathroom Ceiling Decorations (9PCS) Size:15cm x 15cm x 0.2mm Material: PET. Not Plastic . Acrylic's cost is 3 times higher than plastic. DIY design allow you to decorate your dream house Easy to Apply, Removable, Durable, Pressure Resistance, Shock Resistance, Moisture Resistance. There is a protective film on the mirror sticker. Once finished, please tear off the protect film.