Use It with Confidence - 1-Year-Warranty - a Free No-Hassle Replacement Or Full Payment Refund Process, Please Contact Us Freely If Any Problem,We Will Take Care Of Your Issue Within 1 Day. Easy to Apply - Simply freeze the gel pack for 2 hours for deeper cold compress, or microwave 20 seconds for muscle spasms therapy. Using alternate hot and cold packs to treat a bad back and you will get therapeutic relief anytime. Adjustable Compression Fit - The back ice pack with 2 long adjustable velcro straps which supports up to 46" waist circumference, easily adjust the compression through velcro belt to acheive the most comfortable fit. Easy to secure the cold pack on the waist, you can move around freely. Contains 2 Back Ice Packs - Come with 2 different colors of gel ice packs for alternative use, gel pack made from medical grade vinyl and strong nylon lining prevents leaks for extended reusability. Keep one in the fridge and the other to warm up in the microwave. Lower Back Pain Relief - NEWGO Back ice pack wrap is specially designed to contour the back shape, provides the maximum pain relief for upper lower back from back pain, soreness, sciatica nerve pain, spinal injuries, herniated disc, pulled muscle. Great for workers, athletes, homemakers or seniors for back symptom pain relief.