1．Material: Made of glass with a thickness of 3mm-5mm. 2．Specifications: Irregular large pieces of sea glass in the size range of about 0.85 inches to 2 inches 3．Appearance: This product usually has a frosted surface. When exposed to water/resin, the product's transparency will be significantly improved. 4．Weight: 2Lbs/32Ounces 5．Usage: handmade DIY, resin art, sea filler, various desktop decorations.