2 layers of Ice Mat pillows that are not unlike those sheets of air bubbles used to ship breakables. The beauty of this system is that the pillows are hard and cold but the sheets remain flexible and capable of conforming to any configuration to ensure a comfortable fit and excellent application of cold to injury site. The Ice Mats are sewn into a nylon casing with contact closures that make the wraps simple to apply and provide even, adjustable compression. It Provides up to 2 hours of cold treatment at a safe temperature. The Ice Mat pillows contain non-toxic, purified water as the freezing agent. The outside velvet loop fabric allows desired compression and fit for all sizes.Features Unique design allow icing and immobilization of wrist. Can be repositioned for the elbow. Ice Mat pillows for long term, safe cold therapy. 3 in. elastic straps allow desired compression. Relieves pain and swelling the natural way. No frost bite or skin burn. Universal. Nylon casing, Cloth Tie closures. Reusable, hand-washable. Thumb hole for wrist coverage. Also elbow coverage. Dimension - 15 L x 12 H in. Item Weight - 1 lbs. - SKU: PRKLD001