About This Comfort for your neck and shoulders - Hot/cold neck Wrap is 13x18" In size, perfect for men and women Materials & Care - Cover: 54% rayon 29% polyester 17% Cotton, liner: 100% cotton, Filling: 100% buckwheat, remove cover and empty liner before washing, machine Wash cold, tumble dry low, do not wash filling, filling can be placed in freezer for freshening Relax in comfort - chillable cold therapy offers relief from muscle aches, swelling, insect bites, sunburns, headaches, fevers, and the summer heat Spa quality at home - When used hot Bucky Neck wraps radiate soothing heat providing relief for tension, stress and pain Explore Bucky products – Bucky offers delightful Travel and Personal Care Products including u-shaped neck pillows, duo hot & cold therapy characters for kids, and light blocking eye masks, click the Bucky link at the top of the page to explore our collections Overview Care instructions : Machine Wash