Savic Rolly Hamster Exercise Wheel (18cm Diameter) Retail Price: S$29.90 Very new condition Made in Belgium Dimension: Diameter 18cm X Depth 9cm Give your pet the mental stimulation it needs with the Rolly exercise wheel. Fix the Rolly wheel to your cage. An exercise wheel helps your pets burn off energy, utilizing their natural instinct to run. The rolly wheel has a closed running surface and back wall which provides security and protection. To ensure the wheel keeps turning easily occasional treatment with cooking oil is recommended. The rolly wheel is suitable for Syrian hamster and dwarf hamsters such as winter white hamster, campbell hamster and roborosvki hamster. Please kindly contact 8288 8882 for your interest.