Description This item is amazing for fish tank and aquarium decoration. With great color and stylish design, it is very unique and vivid. Besides, it is still, which will add unique landscape for your fish tank. It's simple and easy to use, it will always provide a good environment for your fish. Features - Material: Glass. - Size: 0.3x0.3x0.3cm / 0.12x0.12x0.12inch. - Nice addition to turtle tank, aquarium, vase filler, water potted plant, hand made crafts, landscaping, etc. - Each piece is heavy and no floating in the water, they are excellent substrate for fish bowl, kids tank. - Are beautiful and transparent color, just like crystal. - All marbles pass high temperature fired, no fading, no smell, safe to aquatic pets. - Take it as a unique gift to families, friends. Package list: 500g x glass stone