HOT & COLD THERAPY PAIN RELIEF: 2 pack offers a large and small pack for targeted cold or hot therapy. Reusable gel ice pack delivers pain relief to soothe sore muscles, bruising, swelling and recovery. | EASY-TO-USE: For cold therapy, place ice pack in freezer for at 2 hours or more, wrap in a towel before use. For hot therapy, bring ice pack to room temperature, wrap in damp towel, microwave for 1 minute. Apply to desired area for relief. | OPTIMAL DESIGN: Durable construction features extra thick nylon with a soft fabric exterior, double-sealed seams to prevent leaking. Adjustable elastic straps to fit securely, conforming to your body for targeted relief. | FLEXIBLE WHEN FROZEN: Professional grade gel interior stays flexible when frozen to easily conform to all shapes and body parts for optimal therapy relief when needed. | DESIGNED BY FIT + FRESH: Based in Providence, RI, Fit + Fresh creates functional and distinctive styles for men and women. We are committed to creating items with long lasting durability to help everyone maintain balance in their lives!