100% brand new and high quality Material: Plastic Color:Pink,Blue,Yellow(we will send by Random ) If you buy more, you may receive the same color or multiple colors Size:Diameter: Approx 10cm/3.94inch; Doors unlock by twisting anti-clockwise. Provides hours of active fun for your small animal. Ideal for hamsters, gerbils, mice, or other small animal. This ball allows the Hamster to mix play and exercise, making it more enjoyable for the Hamster and more motivated to keep in good shape. This product is designed to screw-fix together which makes it stronger then conventional play balls and is suitable for Hamsters, and other small animal Package including :1 x Pet Exercise Ball Notice: 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. Make sure you don't mind before you bid. 2.Please allow 1-5mm differences due to manual measurement.Thank you for your understanding.