MALOUF Z Travel U Neck AERATION Pillow with Rayon from Bamboo Velour Cover 3-Year Warranty Orthopedic design correctly support the natural curves of you head, neck and shoulders Filled with air cushioning polyethylene tubes that promotes continuous air flow Outer cover features soft rayon from bamboo velour on one side and stretchable spandex on the other Two-sided cover offers softness on the upper side and flexibility on the lower side for comfort and conformation Travel pillow measures 12" x 11" x 4"; 3-year warranty