<p>13x22 Inch Large Ice Pack for Back Relaxation Reusable Cold Pack for Knee Leg Neck Shoulder Hip Ice Wrap for Back Discomfort and Muscle Fatigue Hot Cold Compress Therapy for Swelling Bruises Injuries Cold & Hot Pack for Pain Relief Self-Absorbing Water Back Pad</p><p><br/></p><p>Features:</p><p>1. This large ice pack features a self-absorbent polymer resin cloth cover that ships dry and absorbs water instantly upon soaking, drastically reducing package weight for easier transport and storage.</p><p>2. The unique sub-box structure of this reusable cold wrap ensures even heat distribution, offering superior cold therapy compared to traditional gels. It forms a slushy texture in just 1 hour of refrigeration and fully freezes in 2 hours. At the same time, microwave heating eliminates leakage risks thanks to its air hole design.</p><p>3. The sub-box structure allows the hot cold compress therapy pack to be freely folded and tied up, making it lightweight and portable for outdoor use. It easily applies to complex body areas such as the back and joints, providing pain relief anytime, anywhere.</p><p>4. Each independently frozen sub-box provides extended phase-change energy, maintaining cold temperatures for prolonged periods. This delivers deep cold therapy for sports injuries and muscle fatigue.</p><p>5. Fully reusable, the cold & hot wrap can absorb water again after water evaporation, extending its lifespan and minimizing waste.</p><p>6. Both inner and outer materials are environmentally friendly, using biodegradable polymer resin inside and specialized composite fabric outside. From production to disposal, this ice wrap adheres to green principles throughout its lifecycle.</p><p>7. Designed for multi-body part use, including legs, knees, arms, back, and shoulders, this cold & hot wrap offers whole-body cold and heat therapy solutions. Whether for outdoor sports or at-home care, it quickly alleviates pain and enhances rehabilitation efficiency.</p><p><br/></p><p>Specifications:</p><p>Product Name: Hot and Cold Compress Back Pack</p><p>Product Colour: Dark Green</p><p>Material: Water-Absorbent Resin (Polymer) Environmentally Friendly Material + Environmentally Friendly Composite Cloth</p><p>Product Function: Self-Absorbing Water. Cold Compress for Body (Refrigerator Freezer Layer Frozen 1-2 Hours), Hot Compress for Body (Microwave Heating 2-3 Minutes)</p><p><br/></p><p>Packing List:</p><p>1*Back Pack (expanded size: about 58*35cm width)</p><p>1*English Instruction Manual (expanded size: 25*17cm)</p><p>2pcs*Elastic Straps (approx. 78cm length)</p>