Cool'n Tie Neck Cooler with 100% cotton Plum Swirl pattern fabric 35"L X 2.5"W with an 18" sleeve in middle holding non-toxic polymer crystals which when soaked in water absorb 400 times their volume in water. Great for work or play outdoors. Recommended for diabetics, Cerebral palsy, muscular dystrophy, or anyone who has problems tolerating heat. Also good for hot flashes.