Designed with an absorbent ant-microbial sponge for penetrating deep heat relief. Available in 2 Sizes 12 inch x 15 inch and 12 inch x 24 inch. Maintains consistent heat for greater comfort and ultra fast heat-up reaches maximum temperature fast. The Advocate Heating Pad automatically shuts off after 40 minutes and is equipped with an ergonomically designed controller. Other great features include a 9 foot extra long cord along with a reusable storage bag. Product includes a 1 year limited warranty.