Details: Powerful Pain Relief + Deep Muscle RelaxationAir-Activated - Just open pouch, starts to warm on its own8 Hours of Heat - Long-lasting relief2 One-Time Use WrapsOdorless, Ultra-Thin, Comfortable, DiscreetChoose the right size ThermaCare back wrap for you:S/M fits:Women's Pant Size - Up to size 8 Men's Pant Size - Up to 34-inch waist
Brand: ThermaCare
