11" Wodent Exercise Wheel(Burgundy with Pink) with Safety Shield Included Exercise wheel for sugar gliders/hedgehogs/small animals Fully Assembled Instructions Included Safety Shield Included Wodent Wheel Sr  11" diameter, 3.5" wide running track, 2.6" mouse-hole shaped entry holes. Overall height 12.3". Best for lady rats, squirrels, sugar gliders, Syrian or other large hamsters and small hedgies.