Kaimao 16 Pcs Square Wall Stickers Mirror Decor Adhesive Mirror Tiles Stickers Material: PET (plastic) 1 pack of 16 Pcs, measurement of each single sticker: 15 x 15 cm Adhensive mirror sticker for wall to make your room shinning and bright Please remove the protective film from the surface of the item only after you have pasted the stickers Wiping and scrubing may damage the item, so please try to remove the dust by blowing (the item will keep shinning for a long time if with proper maintainance)