Our spa covers for hot tub products are the ultimate thermal insulation hack for colder months! Available in a choice of 3 sizes and shape options, our hot tub covers offer superior insulation to retain heat. Offering this hot tub protection will reduce water evaporation and ensure chemical use is kept to a minimum Key Info: 4 person - 110 cm x 110 cm 6 person - 145 cm x 145 cm(please note dimensions can vary slightly depending on the desired fill) Quick and easy to use with an inflate and deflate valve Choice of 3 sizes and 3 shape options Offers superior insulation to retain heat Ensure chemical use is kept to a minimum The grooved design prevents rainfall assembling to form a sagging effect on top of spa Inlet valve dimensions: 25mm diameter Fits all Wave Square Spas *Colours and construction mary vary