DescriptionThese chew blocks are made of quality material,sturdy and durable, not afraid of biting, it can withstand hightemperatures, and can be applied for a long time, but they are not waterproof and may melt in a large area, so do not put them in water.Features- Color: White - Material: Volcanic rocks - Size: 9.50X4.50X1.50cm/3.73X1.77X0.59inch. - Safe and healthy material, no harm, no bad smell, good for pets' health. - A smart way to help rabbits grind their teeth, more dental health and less tooth growing pain. - They are very suitable for the healthy growth of rabbits and other small animals teeth. - Suitable for bunnies, guinea pigs, chinchillas, rabbits, hamsters. Stones are suitable for chewing toys-ideal for small pets. - A wonderful gift for your family, friends and other people who have a pet rabbit.