This Biddeford Heated King Size Sherpa Mattress Pad drops from $129.99 to $90.99 at Target.com. Plus, use this link to take another $5 off. Even with $12.55 shipping, this is the best deal we could find by $41! It features dual-zone temperature controls, allowing for 10 heat settings on either side of the bed. It fits mattresses up to 22" deep, and it shuts off automatically after 10 hours for safety. It is offered in Queen Size as well for $75.49 with the coupon link. Sales tax is charged in most states.