Helmet X Small Full Head 17 1 2 18 1 2 Specimen Collection Products Baseline© disposable individual 10 gm Style:Pair (Left & Right) Baseline© disposable individual 10 gm * 1 year limited (pumps and mattress) and 6 months limited warranties * Portable alternating AC DC pump allows the patient to be totally mobile * Rechargeable battery backup keeps system working for more than 7 hours per charge * Car adapter included 17 1 2 18 1 2 * A soft crown helmet that offers maximum protection to the front back and top of the head * Features black cowhide 1 2 foam rubber and white cowhide lining * Completely washable with mild soap and lukewarm water * Adjustable velcro chin strap *