Flexible From FrozenWith the thickest viscosity gel, the pack remains pliable straight from the freezer. The flexibility allows the pack to contour around your back and sit against the specific area that is causing you discomfort. Furthermore, you'll find we have the CE mark and are registered with the FDA for your piece of mind. | Proven ResultsCold therapy aids muscle pain relief , so you can reduce the pain numbing pills and expensive medical care! Cold packs for injuries reusable naturally soften pain signals sent to your brain from an injury. Alternatively, use to cool a migraine, toothache or even hangovers! | Extra Large Size"From the neck to the tailbone" - you can apply the compress across your complete back and side in one sitting. This oversized pad remains pliable so it covers and cushions whilst remaining cool. | |