Remarkably durable and resilient, these matte tiles can be used for all inside and outside mosaics, flooring and paving. Nonslip and very strong, they are an excellent choice for garden mosaics, patios and stepping stones. If using in wet areas, remember to seal this tile with a stone sealer to prevent water or chalk markings and stains. We recommend investing in the wheeled nipper from Rubi or a good table model tile cutter. Each tile is 12×12×3.8 mm thick. 1 sheet = 484 tiles (31×31 cm). Each sheet is just over 1 square foot.