Bright Fill Moon Drops Tanzanite Blue- 12 Ounces of Vase Filler, Decorative Accent, Table Scatter and Aquarium Decor Made from Crystalline Polymer (not Glass) for durability and long lasting brilliance Use theses brightly colored flat marbles in vases, flower arrangements, aquariums, centerpieces, and accents in home decor. Individual Moon Drops are just over a 1/4 inch across and a little more that 1/8 of and inch in heighth Many bright colors available to choose from and mix and match Add "Bright Side Crafts LED Bright Lights" vase and accent lights for an amazing effect