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>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 includingPackage includes:1 x Hamster Ball Hamster ToyNote: 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.