Design-Your-Own Ultra Deluxe Spa & Hot Tub Covers: 6/4 Taper with 1.0# Foam Base Cover with R-23.85
Product Review (submitted on October 10, 2012):
Spa cover arrived quickly and in perfect condition. The cover is extremely well made. Looks like it will far outlast it's warranty. A very quality product from a very quality company. Cudos beyondnice.com.