BUCATSTATE Starlight Running Wheel for Hamsters

•Designed with dual ball bearings to ensure the wheel glides smoothly and silently.•Come with a cork mat effectively reducing the friction and noise during running. •The M gentle slope running wheel can buffer and slow down.•Three-dimensional design. Light refracts during running like working under starlight.•Size Option 1:•Inner Dia is 21cm/8.2" and the Width of the runway is 8cm/3.15"; Base size is 22 x 14cm/8.6" x 5.5", total weight 0.688kg/1.5lbs. Variable height is between 22.5-28cm/8.9"-11".•It's recommended for grown Dwarf Hamsters such as Hamsters, Lemmings, and Mice.•Size Option 2:•Inner Dia is 26cm/10.2" and the Width of the runway is 10cm/3.9". Base size is 22 x 20cm/8.6" x 7.9", total weight 1.08kg/2.4lbs. Variable height is between 28-35cm/11"-13.8". •It's recommended for grown Dwarf Hamsters such as Roborovski hamsters, Dwarf Winter White Russian Hamsters, Lemmings, Mice, Teddy Bear Hamsters, Golden Bear Hamsters, and Gerbils.Color Options: White/Pink/Blue/Purple/Yellow/G