This pillow is a Discontinued Hot Tub Pillow that fits a variety of brands some are out of business. It fits Infinity , Raindance , Serenity , and Also Four Winds (Note: The Four Winds Pillows are usually Black but other than color these will work.) It is 10 1/2" Wide at the top and 10" Wide at the bottom & 5 1/4" Long it has 2 snap tabs 6 - 6 1/8" between on the back that are designed to snap into cups on the tub. It is Gray in color.
It will usually have the number 25703-401 or 1029B on the back of the pillow..
