Hot Therapy - Microwave It. Heat lasts 45 minutes. Cold Therapy - Freeze It. Place in freezer bag, store in freezer for several hours.12" X 6" rectangle shaped all purpose wrap.Spa Wraps® Herbal Body Packs suggested retail price $12.95- $19.95. Flexible, so it wraps and contours to any body part, hands, knees, elbows, etc.Soothes backaches, menstrual cramps, arthritis or any aching tired muscle.Mist with water when heating for moist penetrating heat.Use cold to reduce swelling or body temperature.Exclusive 100% Natural 12 Herb Blend and Organic Flax Seed.Choose Spa Wraps® 100% Cotton or Dura-Satin Fabric.Available Scented or Unscented.Made in the USA. Free Private Labeling with Your Business Name/Logo.