This amazing inflatable structure adds a whole new dimension to active play. Whether kids crawl through it or go for a roll in the middle, the new Roll Chamber keeps the fun moving! Constructed of sturdy, colorful PVC vinyl, the Roll Chamber measures an incredible 63" in diameter x 67" wide. Clear inner 'tube' section provides excellent visibility for kids inside. Great for obstacle courses, 'rolling' races or just for fun! Turn it on end and you've got a basketball hoop. Inflates with any standard inflator/deflator (W2407). Adult supervision recommended.