HotPac Contour Moist Heat Therapy Pad is designed to fit every body contour. It provides up to 30 minutes of deep soothing, moist heat. Included brown tab on hotpac offers easy rotation in busy clinics. This cost effective hotpac provides hundreds of treatments. Easy-to-use Provides up to 30 minutes of deep, soothing, moist heat Helps relieve chronic pain, acute muscle strains, and general musculoskeletal discomfort Provides up to 30 minutes of deep soothing, moist heat Neck Contour HotPac features a U-shape to follow the body's curve so that users can get ultimate pain relief with every use Colored tabs allow for easy pack rotation in busy clinics One HotPac provides hundreds of treatments Wrap the pack in a heavy towel or place inside a Hydrocollator Terry Cover, sold separately HotPacs are made to be heated in a Hydrocollator Heating Unit in clinical use; however, they can be heated at home using hot water or microwave