Are you looking for a creative and practical toy for your lovely hamster? Our production can meet all your requirements with durable and reliable material, safe for your pet's playing. Improve their energy and enrich activities. Vents around the entire sphere bring in plenty of fresh air. Features -Color:White -Material:Plastic -Size:10.00X10.00X10.00cm/3.93X3.93X3.93in - Ideal for small pets like hamster. Encourages exercise and promotes health for your small hamster - Made of safe and durable materials. Easy to assemble and disassemble for cleaning in your daily life - The practical hamster exercise ball is a perfect present for your friends who are keeping a hamster - Made of plastic material, this running ball is durable and wear-resistant, can be used for a long time. - The exercise ball is suitable for most small pet animals, such as hamster, hamster, gerbils, etc Package list: 1 x hamster running ball