● Crafted of thick 6-layer material ensure great insulation effect● With 6 thickened supporting rods enhance 200% weight bearing capacity● With a protective inflatable lid to maintain optimal temperature and cleanliness● With an inflatable outer ring provide comfortable head and neck support● With a seat cushion allow you to add water for comfy seating● With a drain value and pipe quick and easy to release water for efficient cleaning● Help reduce muscle soreness minimize injury speed up physical recovery etc● When not in use deflate for compact storage only weighs 6.5 lbs