Product Benefits:
Rapid Relief allows you to use it in a multiple way for cold or hot therapy 
Simply microwave it for hot therapy or throw in the freezer to use it as a cold therapy 
These cold packs stay flexible and easy to apply even when frozen 
It is convenient to use at home or to take with you wherever you go 
Product Details:
Microwave safe 
Latex-free. These cold packs will not irritate skin 
Nontoxic 
Can be used at home, clinics, training room or on the go 
Size: 4" x 6"