These moist heat packs are composed of Silica Microbeads. The tufted design keeps the beads balanced and in place. Ideal for: muscle spasms muscle tightness muscle aches muscle pain trigger points arthritis pain tendonitis other injuries 3 Convenient sizes: Small: 5" x 12" - ideal for small areas of the body. Parts of the back, legs, arms Cervical Pack: 5" x 25" - ideal for the neck, upper back, and shoulders Large: - ideal for larger areas of the back. Great for the lower back, midback and upper back. Simply Heat up in the microwave for 1 minute. Heat packs remain warm for a good 20 minutes to 30 minutes. Microbeads heat packs absorb moisture from the air and release it when heated. They deliver moist heat that relieves achy muscles. Unscented. Color: Olive GreenDimensions: Small, Cervical Pack, Large Composition: Silica Beads, Polyester
