-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 recov