Power One P10 Hearing Aid Battery, 60 Pieces (Multi Color)

Multipurpose. Used for cold or hot therapy, cold therapy can be used for headache, fever, toothache, sprain, bruises, bumps and other sports injuries while hot therapy can be used for muscle pain & spasms, sprain, strain & stiffness etc
Easy to use. For cold therapy, simply fill with ice cubes and a little water to relieve discomfort. For hot therapy, just add some hot water (not boiling) and apply to the needed areas.
Quality and Safety. Thanks to the leak-proof lock, worry no longer about spilling water out, dripping and wet cloth.