Material: Made of real glass mirrors, silver mirror mosaics for craft projects Size: 5 x 5 mm each mosaic tile, 3600 pieces in total Convenient and simple to use: no need to apply glue as these mini square mirrors designed with self-adhesive backing Wide application: decorate walls, interior decorations, ceiling , decoupage, card making, scrapbooking and art collage Self-adhesive square mosaic tiles: Each piece of mini tile with self-adhesive backing for you to stick to the objective surfaces