QTY: 100 grams = approx 110 pieces Material: Glass Opaque - soft edgesMeasure: 10x10x5mm, slight domed surface.Suitable Interior/ExteriorCoverage: Covers apporx area of 130x130mm** Please note that when you recive these they may have a powdery residue on them, this will wipe off to reveal a glossy shine once grouted. These tiles are 5mm thickness and cut perfectly with mosaic round wheeled cutters, and do not shatter. Nice and vibrant colours that do not fade outside.