Welcome to our store! Product Size: Product diameter is 10cm Material safety: Our hamster fitness ball is made of brand new PC material. It is safe, odorless, durable and not easy to carry and corrode. It can protect your pet's health well. Healthy and breathable: there are several ventilation holes on the ball, safe and breathable, so the little animal can play freely and happily! Open hole design, more breathable, allowing hamsters to do aerobic exercise! Safety design: rotating buckle design, locking firmly, can play a good role in fixing, not afraid of falling down in the game. Vibrant colors: Studies show that bright colors can inspire animals to exercise more. The light yellow design stimulates the motor instinct of small animals more than transparent colors and other colors. Due to different monitors, the product you receive may be slightly different from the picture 100% Satisfaction: Our customers are our top priority. If you find any problems with the product after you receive the goods, such as damage and incorrect quantity, please contact us immediately. We try our best to provide you with satisfactory after-sales service.