Reusable Cold/Hot Pack for shoulder and back

タイトルまたは説明

1. Cold and Hot dual-use
2. Special compound fabric wrapped bag makes you feel comfortable
3. Special fixing straps designed easy for fixed on humann body
4. Frost-free below subzero *5℃ centigrade
5. Environmental and non-toxic high polymer hydrogel
6. Reusable, can be used up to **0 times 
7. Cold therapy descreases skin temperature, causes vasoconstriction and descreases the nerve endings sensitivity as well as cell metabolism, which spreads to adjacent areas helping to inhibit swelling, relieve pain, and ease inflammation. it is mainly used for fever, heatstroke, toothache, mild burn, traumatic bleeding, sprains, itching and relieving fatigue.
8. Hot therapy increases skin temperature and cause vasodilation, increased blood flow relieves pain and offers more nutrient elements to patients. It is mainly used for alleviating muscle aches, rheumatic pain, stomachache, dysmenorrhea, sciatica, cervical spondylosis and etc.