The OnyxCool Now wrap is pain-relief ready whenever you need it for your back, hip, chest, core and more! This surprising, specially-formulated cool therapy wrap doesn't require refrigeration and can last up to two hours. Take it with you on travel or throw in your gym bag for effective, ice-free relief anytime. Additional straps can be purchased to make this our most adaptable cool therapy wrap. Additional information: Weight: 24 oz Dimensions: 14 × 10 × 2 in Materials: Veltex fabric (black); Aromatic Polyether Polyurethane; Elastic straps with Velcro closure; Octadecane molecular formula C18H38 or CH3(CH2)16CH3 Included: Device and two (2) straps Classification: FDA Class 1 Medical Device Product Origin: Made in the USA Safety Information: The device is not intended for use on infants. Keep and store the device away from heat and sharp objects. CANNOT be used as a hot pack. DO NOT microwave. DO NOT apply to open wounds, abrasions or a break in the skin. DO NOT over tighten elastic straps as this may affect circulation. DO NOT use bleach to clean the device. If the device is punctured or damaged, discard immediately and obtain a new, clean device. Discontinue use if discomfort, redness, increased swelling or skin irritation occurs. Wash area with mild soap and water. If pain persists, consult your physician or healthcare professional.