Beenlen Flat Clear Marbles, Pebbles (17.5oz) for Vase Filler, Table Scatter, Aquarium Decor, Gems (Clear Gems) Approximately 3/4" in size. Each bag is 100pcs (17.5oz). clear glass gems Perfect for vases, bowls, craft projects, floral. Add a little sparkle to all your decorating! Clear gems have an opalescent finish that gives them a lustrous rainbow-like play of color - they're a beautiful addition to floral arrangements, crafts, vases, candles, and so much more.