600 pack per sheet, and total 6 small sheets. Total 3600 pieces, made of real glass, which is eco-friendly and safe The silver mosaics are 5mm square and feature a self-adhesive backing Ideal for craft project: you can use the stickers to make mirror ball, cards making and scrapbooking the mirror mosaic reflects silver light, which is beautiful and attractive that makes your craft works unique and eye-catching mini tiles and designed to be used individually, although you could cut the sheet up and use part sheets en bloc. Small silver mirror mosaics for craft projects. Perfect for mirror balls, card making and scrapbooking. These are real glass mirrors.