4 Pounds Mix Sea Glass Tumbled Glass Pieces - These Stained Glass Pieces are a beautiful mixture of smooth edged machine tumbled glass. They are in various natural shapes and range in size from approximately 1/4" to 1". Their colors are absolutely beautiful. This glass is produced from recycled stained glass. These Stained Glass Pieces are perfect for: Jewelry, craft projects, art projects, stepping stones, vases, flower pots, fish tanks, around plants, displaying as accent pieces or for whatever creative craft you can dream up.