The Shell mosaic glass tile collection is a balanced glass blend of color and chips. Each 12.5” x 12.5” sheet contains 144 glass tile chips, 1” x 1” and 4 mm thick. An excellent all-purpose glass mosaic tile for interior/exterior use from kitchen backsplashes to pools and spas. There are a variety of beautiful colors to choose from. Contact us for adding a slip-resistant finish. Handcrafted in Spain from 99 percent recycled glass, the Shell Series is an affordable solution to your next all-glass pool or spa.