How to Choice: Small crystal stones is 6-9mm (0.25”-0.35”), 0.93LB/Pack, about 0.3 liter capacity. For example, if your tank size is 6.3* 6.3", it will needed 1 bags for about 0.4” of depth

Features: The glass gemstone is like river gravels, no dye or other methods of artificial coloring is used, never faded. Smooth edges no harm to animals and plants, you can rest assured that using. NB the glass pebbles are 0.93LB Heavy Enough BUT SMALL BAG

Excellent Quality: Glass beads are made of great quality glass materials fired at high temperature. Sturdy and durable, environmentally friendly, lead-free, non toxic and odorless

Wide Application: Perfect for aquarium, potted plants pots,swimming pool,gardening, home and crafts decorations.You can use it to DIY ornament, make a birthday gift to your friends or family

After-Service: We hope the quality of our products will satisfy you. If you get quality problems with this product, please feel free to contact us in the first time