New in package. 1 pair, 4 time use. Enjoy the benefits of heat therapy: Performance Hand Therapy Heated Mitt Treatment uses heat therapy to relieve symptomatic pain associated with joint and muscle conditions. No fuss hand treatment: Performance Hand Therapy Heated Mitt Treatment heats in minutes and is completely self-contained, hygienic and easy to use. Optimize your pre- and post-workout regimen: Performance Hand Therapy Heated Mitt Treatment increases blood flow, muscle flexibility, loosens stiff joints, and relieves muscle aches and pains. One size fits most.