SZBOYU Natural Woven Timothy Grass Ball Small Pets Chew Toy for Rabbits Guinea Pigs Chinchillas Hamsters (2 Pack);

Please look for the boyu brand, only sold by Shenzhen Boyu Trading Co., Ltd., without a bell.
Measures 2.8 inches long, 2.8 inches wide, 2.8 inches high
Timothy Grass Ball is an all natural Timothy Grass chew toy that is
completely safe for your pet to chew. This chew toy is perfect for tooth
triming and promotes clean and healthy teeth. Critters will love to nudge,
nibble and chew the willow branch ball encouraging healthy, playful
activity. This chew toy helps satifsy your pet's natural chewing instincts
and alleviates cage boredom.