The small cold/warm pad from 3M Nexcare is 10 cm x 10 cm and is great for cheeks, hands, fingers, wrists. . . ). It is tear-resistant, reliable and leak-proof. Reusable and hand washable. All products in the 3M Nexcare line are heat-sealed pouches containing a non-toxic gel. They can be stored in the freezer. Heat in a water bath for a warming effect and in the fridge or freezer for cold use. Supplied with a protective case. Precautions:- Do not use without protective cover- Do not use on sensitive skin. - Before use, check pillow temperature by hand. Indication: Cryotherapy: sprains, dislocations, strains, tears, tendonitis, bruises, bruises, headaches, slight fever , nosebleeds, toothache. Thermotherapy: rheumatic pain, lower back pain, back pain, neck pain, lumbago, torticollis.