Description Made of glass material, safe for decorating your fish tank, do no harm to your fish, and durable for use. Bring more beauty and charm for your fish tank. An additional decoration for aquarium. Beautiful glass balls decoration, add more bright colors to complete your aquarium landscape. Features -Color:Multicolor -Material:Glass -Size:1.60X1.60X1.60cm/0.63X0.63X0.63in -Note:Mixed style. - Selected from smooth and sturdy glass material, sturdy and durable, which is not easy to break. - This novelty and decorative glass marble toy is also a fantastic gift for your family and your child. - Versatile. And these glass marbles kit is not only a fish tank decor, but also a great toy for kids. -Featuring bright color combinations with unique patterns, and these glass marbles are decorative. - Put them into your fish tank, your fish will like them and will be more active.Package list: 38 x glass marbles