Just like vitamins, minerals and water for humans, your tortoises and turtle also need for bright colors, healthy breeding, molting and play! So, when you add our to your tank, youre giving your turtle friends. Features - ColorWhite - Material: Mineral substance - Size: 1.20X1.20X1.20cm/0.47X0.47X0.47in - You can directly give these calcium blocks for your pet, or you can mix them with your pet food or water. - Perfect for tortoise, water turtle, lizard, gecko, and other reptile to chew and eat, they will enjoy their extra meals. - To the deficiency of mineral elements and trace elements in tortoises reared in . - These calcium blocks are small in size and digestible, more safe and easy for your pet to eat. - The nutrient composition is in the calcium block and can dissolve which will not pollute the water. Package list: x turtle tank calcium cubes