Combination Therapy Hot And Cold Fully Flexible For Continued Mobility And Comfort Elastic Straps Provide Gentle Compression And Secure Positioning Remains Cold Long Enough To Provide Therapy While Allowing You To Remain Active Perfect For Relieving Joint And Muscle Pain Patented Natural Crystal Fill For Maximum Moisture With No Allergens - Fill Will Not Decay Develop Unpleasant Odors Or Support The Growth Of Mold And Bacteria Cold One 13 X 16 Maxcomfort Wrap Two Elastic Straps (detachable) Two Reusable 6 X 12 Ice It! Gel Packs Hot One 13 X 14 Microwavable Moist Heat Pack Two Elastic Straps (detachable)