These vase fillers are made of crushed colored glass. Each piece is unique. Commonly used for filler in vases for centerpieces or home decor. They have an excellent weight that will allow them to sink in any body of water, which is perfect for aquarium decor. Spread these on the table for table scatter at your next event or dinner gathering, or use them for jewelry or other various arts and crafts. Each bag is 1lb. You are getting a total of 24 lbs of vase filler.