Material: made of plastic, safe, durable, strong and lightweight. Application: This hamster ball is suitable for hamsters, gerbils, etc. Easy to carry: This hamster ball is light, small in size and easy to carry. Hamster toy: This hamster ball is a great toy for hamster running or exercising. Transparent Design: This hamster ball adopts transparent design and is easy to see. Color:Blue< /p> Product Description Color: blue Features: Size: 12 cm in diameter. Material: plastic material. Optional color: blue. Features: This hamster ball is lightweight and small in size, which makes it easy and convenient to carry. This hamster ball adopts transparent design which makes it easy to see. notes: 1.Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thanks! 2. please allow 1-3mm measurement deviation due to manual measurement. Package including Package includes: 1 x Hamster Ball Hamster Toy Note: The data is manual measurement, please allow 1-3cm error, due to differences between light and screen, there will be a certain difference in color, the specific received in kind shall prevail.