❖Tile size: 1~ 3cm ( 0.4 ~1.2 inch ) Thickness: 4mm ( 0.16 inch ) Material: Enamal Recycled Glass ❖Net Weight: 455 g/ Pack ( 1 LB ) Coverage: 30 * 22 inch = 0.72 square feet ❖Premium Quality: Harmless & Safety Recycled Glass, Beautiful & Long-lasting colors, Reusable package which can store mosaic & DIY material. ❖Easy to Use & Wide Applications: Beginner friendly and perfect for DIY Mosaic craft art works, such as Stepping Stones, Mosaic pots, Mosaic Wall Art, Vases, Pathways, Birdfeeder, Kids Mosaic Art & etc. ❖Attention: This product does not include Glue or Cement, you need to buy them by yourself. ( PVA Glue & etc.) Use by Children should be supervised by adult. Irregular Glass Mosaic Tiles for DIY Crafts Art & DIY Mosaic Making, Enamal Recycled Glass, Tiny Broken Glass Tiles, Mini Mosaics Glass Pieces for Adults, Children Hobbies & Students