Han spa cover Foam thickness is 4" 2" tapered which allows rain, ice and snow runoff. Foam density available : 1 lb1.5 lb2lb. Up to 12 colors for you to select; Three steps to get price and info from us , easy and quick! 1search "hanleather" in google; 2browse our site and get contact info of sales eric yuan; 3forword eric information and get the quotation within 12 hours . We offer: Standard hot tub cover 4" -2" taper for moderate climates Export carton package and protection