Thanks to its special shape and the contents of oat grains, the extended magic bag takes on the shape of any body part and has a relaxing effect and a promotes and immediate well-being feeling.the magic bag replaces nicely the traditional water bags, are used to relieve pain and promotes relaxation. Heated, it stores quickly the heat and emanates it slowly for a period of up to 30 minutes. Applied cold, it relieves injuries, inflammation and fever. Forget the traditional hot water and ice bags. And start using the extended magic bag, the most sellable hot-cold compress in canada.the magic bag is ideal for:stressback pain, low back painsore or tense musclesarthritisabdominal painrheumatismbursitiscold hands and feetmenstrual crampsfeatures:100% cotton fabricnatural, versatile and reusableeffective cold or hotdimensions: 50 x 14 cm (19 inch. X 5 inches.).