6 person Intex pure spa around Inflatable blader cover for Intex Hot Tub

Intex pure spa around cover for 6 person Tub Inflatable blader. Original for Intex but can be fit in other 6 person hot tubs.By using the cover of the inflatable save money on heat loss.Isolating the water from the upper cover of the cover layer .Thanks also shaped hot tub in the middle of a raised point , turning the hot tub drain rainwater.