HAPPY FITNESShamster wheel 7 inch, brings your little hamster endless running happiness, Hamsters love the silent spinner wheel like a runner, help them to enrich their nighttime, also keep them to exercise for maintaining their strength. HIDDEN SILENT BEARING Innovative ball-bearings whisper-silent spin. ensuring the hamster wheel silent spinner glides smooth and silent. hamster wheel silen,There are no more annoying squeaks or friction and noise from the central axis. also brings you a quiet night even if your hamster on the race track to run & hamster wheel is spinning. EXCLUSIVE TO WIRE HAMSTER CAGEThis is the standless version,hamster wheel, attach directly to any wire cage, large hamster wheel easy installation. hamster saucer Reasonable Size of Running Drum & Wide Running track brings a relax back feeling, they do not need to bend their back when running, let them enjoy their endless running time. SAFE - STRONG & DURABLEgerbil wheel made in high quality material, chewing-resistance, beautiful and exquisite.mouse wheel sturdy Design achieves a reliable standing & support when running or walking.hamster wheels best for hamsters,hedgehogs,or other small animals. EASY TO CLEAN: hedgehog wheel adopt fully open design, its helpful for deep cleaning. FREE SHIPPING in USAWe are devoted to sourcing the highest quality and safest products for your pets. You are always welcome to contact us. TIP: To keep your small animal exercise wheels running quiet, place a few drops of vegetable oil on the wheel hub where the wheel spins.acrylic acid have a thin protective film on the surface like a scratch, BUT this is not a defect.