Alrens_DIY(TM) 8.5cm 50pcs Twinkle Stars Ceiling Decor Parlor Crystal Reflective DIY Mirror Effect 3D Wall Stickers Home Decoration (Silver) Material: Acrylic .Not plastic. Please only order from Alrens_DIY(TM). Acrylic's cost is 3 times higher than plastic. Size:8.5cm each pieces, 50 Pcs in total. There is a protect film on the surface. Please tear it off after pasting mirror sticker on the wall. It looks very shiny! Perfect home decoration, TV wall decoration,etc. No harm to the environment and health. Easy to paste the decal without any messy paint and brushes.Easily removable without damaging your wall.