For those nights around the campfire where your constantly getting out of your chair to warm your back side to the cold nights in the back country on the ground The Hot Seat Heated Chair cover has your back. Fitting all regular and XL zero gravity chairs. The cover is water resistant and has 5 heating pads, 3 temperature settings and 2 zone controls. It comes with a 120v wall charger and a 20000 mAh 5v 3A power bank allowing for both zones to be heated on high for up to 5 hours reaching temperatures of 58c. Can also be used on your cot or in your sleeping bag or in your duck blind to name a few.