The rock plate can let the reptile grind the nail easily.It can be used as a basking platform. This Reptile Basking Platform made of high quality rock,which is with hard texture, natural color,the rough edges polished by hand. The bottom of the rock slab is designed with four EVA pads to prevent slip . The Reptile Basking Platform will absorb water and then slowly volatile, which can improve the humidity of the turtle box. Size: 11" x 5.5" JIH Reptile Basking Platform, Natural Rock Reptile Food Bowl Tortoise Feeding Dish Habitat Decor