The amazing, innovative AirO2 spa cover is changing the game of spa protection and heat retention. Two times more efficient than standard spa covers, the inflatable AirO2 spa cover features superior insulation, four cover locks, and holds up to 500 lbs. Plus, your AirO2 cover will never become waterlogged, extending the life of your cover far past the life of a normal spa cover. Three size choices sport contemporary colors in high-performance canvas – designed to skillfully match your existing spa. With exceptional energy efficiency and long-lasting durability, an AirO2 cover is the perfect choice for your hot tub.