1. ENJOY SWEET DREAMS --- silent spinner lets you reclaim restorative nights sleep! No more creaky squeaky sleep-ending noise because your nocturnal hamster or mouse is working off those extra carrots. Live (and sleep) in harmony with your active hammy2. HAPPY PAWS, TAILS, AND EARS --- Our comfort spinner is one solid track. This means your Winter White can train for the marathon without worrying about sore paws, trapped tails-ouch!- or pulled ears. Wire wheels can have sharp or rough edges that could rough on soft pink paws! Tails and ears can also get caught in the spokes. Merics exercise wheel lets your mouse achieve their fitness goals without worry!3. EASY TO INSTALL --- You wont be up all night reading directions or searching for the right tools because you wont need a tool to attach our wheel to your pets cage and the simple installation takes only minutes! Which is good because your robo dwarf will be so excited when they see Merics silent spinner. And! Our design of one complete tred is much easier to maintain than wire wheels, just one swipe and you're done!4.SAVES SPACE AND BEDDING --- Every Russian dwarf likes a particular bedding and thats fine. Thats what pet parents know. Save more of your pets' favorite bedding with our silent spinner wheel. It wont pick up bedding like wire wheels. wheel attaches to your pet's cage saving space and adding stability.5. EXERCISE = LESS STRESS --- Hamsters and mice are intelligent curious animals and need exercise as much as we do to relieve stress, tone muscles, and reduce mental boredom. Research has proven that running on a wheel is a common need and positive method for lowering stress and weight. Show your pet you care by giving them the best exercise wheel.