Features: Multi-purpose Gel Pack: it brings you the universal sprain therapy gel pack that can be used as both hot and cold therapy. It's a perfect solution for relieving sprain, muscle cramps, neck pain, arthritis-pain and more. Precise and Compact: Our hot and cold gel pack is precisely designed. The gel has ability to absorb heat and cold without any changes in its state, which makes it extremely flexible. Our gel pack is compact, perfectly built for comfortable grip and convenience. Due to small size and light weight, it's also travel-friendly. Quick Reliever: Our gel therapy pack is that it's applicable in two ways. When used as a cold therapy, the pack provides quick relef to acute tissue injuries, and other conditions to reduce swelling, bruising and pain. It provides soothing and long-lasting relief when used as a hot therapy. Reusable and Long-lasting: Our gel pack has been constructed uniquely so that It can be used infinite times. The gel pack is flexible. It can be cooled in the freezer for as long as one hour and micro-waved for 50 seconds. NATURAL SAFE - The soft ice or heat packs for quick easy relief. Flexible. Reusable. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 23*13cm/18.5*9.5cm/28*13cm/30*20cm Package List: 1x Resuable Hot/Cold Pack