Natural Material: Made of natural materials, no glue, plastic or metal, handmade grass toy, natural and environmentally friendly material, no glue, no plastic and no metal parts. It is very safe for your pets. Chew Toy: Growing pets like to chew on furniture, carpets and basically anything they can bite into. Rabbit chew toy specially designed for chewing and training. When your pets chew on these grass balls, their teeth are cleaned and their gums are massaged, which promotes clean, healthy teeth while satisfying your pet's natural chewing needs. Dental Care: Rabbits or guinea pigs' teeth are constantly growing. To maintain the best oral and dental health, they need to chew. Guinea pigs chewing on dental care toys can promote clean and healthy teeth while satisfying their pet's natural chewing needs. It is especially useful for teething or foraging. For the health of pets, it is recommended to change the chew ball regularly. The perfect gift for small animals: The natural grass balls are suitable in size and small animals can easily play and chew on them. The size of the chew ball is perfect for cats, rabbits, hamsters, gerbils, guinea pigs and other small animals to roll, jump and fetch. Don't hesitate to make your purchase. Package content: 3 types (diameter about 6-7 cm), 9 chew balls in total. If rabbits or guinea pigs are left alone for a long time, they may feel sad. Leave one of these balls in your rabbit's cage and watch them have fun and release stress with the natural grass ball until you return. Package content: guinea pig toy*9 Kindly advice: Dear buyers, due to lighting effects, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope you can understand! Thank you!