This grinding block is made of high-grade material, natural and durable. In order to keep your turtle health, you need acalcium cube to grind their teeth. Applicable for water turtle, tortoise and other reptile pets. Helps turtle animals to add calcium, vitamins and other elements, promote dental health and bone health. Features -Color:White -Material:Mineral block -Size:1.40X1.40X1.40cm/0.55X0.55X0.55in -Made of safe and healthy material, provide enough calcium mineral supplement for your pets. -These calcium blocks can be used for daily feeding, adding them into water or food for crawling pets. -Designed for reptile, like lizard, turtle, gecko, etc. Also you can put these calcium blocks into fish tanks for better water quality. -Multiple ways to use. Dissolve them in water and give it to your pet, or you can add them in the pet food bowl. -Provide you a simple method of serving mineral supplement for your reptile, bring huge convenience.Package list: 10 x turtle tank calcium cubes