The Elasto-Gel Microwavable Cervical Collar, manufactured by Southwest Technologies, is a microwavable cervical collar that is designed with velcro. It is completely reusable, and it will not leak even when it is punctured! Southwest Technologies is a manufacturer of Elasto-Gel therapy products and consist of over 40 in their line, different shapes, and sizes to every unique situation. Focusing on the customer first, Southwest Technologies innovates each product is specifically designed to meet the needs of every unique individual for their best fit. To match, each person's need is important to their developmental health. When heated, this product provides comfortable moist therapy and when using cold temperatures it provides a soothing cool therapy, even flexible at -20 degrees F! Both temperature adjustments were scientifically made to provide the utmost care to trauma in the skin and nerves around the neck. The Elasto-Gel Microwavable Cervical Collar naturally contours to the neck of each individual or patient with the most movement. Each product is designed with a four-way stretchable material so that movement is possible allowing maximum comfort to the user while retaining heat and cold therapies. This product will not dry out due to their reuse function. They will not become hard or change shape or form. The Elasto-Gel Microwavable Cervical Collar Designed with a 4-way stretch material Cervical collar designed with velcro Product is 100% reusable will not leak Naturally contours to each individual Provides cold and heat therapies This product is fully microwavable Flexible even at -20 degrees F