Convenient Usage: Simply place in the fridge for cold therapy or microwave for hot use. Provides compression support to the front and sides of the ankle. Durable and Reusable. Unit Quantity: 1 count Features: Microwaveable,Reusable,Freezable,Breathable,Adjustable Material: Polyester,Rubber,PVC,Glycerin,Sodium Polyacrylate,Water Main Purpose: Pain Relief,Cold Therapy,Hot Therapy.