Made of high natural crystal stones. It can be used to decorate potted plants, fish tanks, swimming pools and gardening, etc. With these pink pebbles, you can release your imagination, you can make a gorgeous fairy fish tank or flowerpot landscap. Features - Color: Pink. - Material: Crystal stone . - Size: About 0.7x 0.7 x 0.5cm. - Exquisite color, making your fish tank more cute, easy to use. - These stones come from primary source, every single one is a crystal stone, never added glass in the natural stone. - and durable: Made of high quality, can be reused for a long time. - for fish tanks rocks pebbles gravel, glow decor, ponds, yard, waterscapes, landscape decoration, potted plants, lighting a pathway or driveway, fairy garden glowing stones, crafts, etc. - Warm Tip: Dear buyer, natural crystal is baptised by wind and rain, natural growth of a kind of beauty, this beauty is not deliberately carved but naturally formed. So it won't be perfect, more or less there will be some crack . Sincerely hope that you can understand Thank you