Features: Noiseless Actparticlemail: Developed with advanced noise suppression technology, this iron wheel minimizes resistance noise, ensuring a calm exercise endure for your animal, perfect for dark use lacking disturbing you otherwise your animal. Permanent Iron Constructparticlemail: Produced from tall value iron, this wheel is resistant to deformation and wear, offering lengthy permanent answer for active small animals, ensuring durability and reliability over time. security Concentrated Plannumber: Features a fully enclosed structure to obstruct injuries during rapid running, making it a safe option for households with children otherwise other animals, providing ease for animal owners. Easy to Clagency: The smooth face prevents dirt amassment and allows for fast polishing, exemplary for busy modern households, saving time and effort in maintaining your animal's hygienic environment. Multiple Functional Usemail: Not only assists in unguis trimming but also promotes daily exercise for small animals like squirrels and hamsters, catering to various small pets' motion and entertainment needs. Specifications: Substancemail: Polyacrylate + Aluminum Mixture Color:As shown in the figure Dimension:15x11x23cm/5.91x4.33x9.06in Product Diameter:A:21cm/8.27in B:26cm/10.24in C:332cm/12.6in Component:Iron Package Includes: 1pc Silents Hamster Wheel note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.