Bolster Pillow Yoga Size: 5.5 x17 Inches (1 pillowcase + 1 pillow). Can be used as an armrest, can also be used as a neck roll pad, support waist in chair, perfect for lying in bed reading or watching TV, sleeping support or even carry around as a travel neck pillow.Cervical Bolster Pillow Material: Polyester (Pillowcase) + Memory Cotton (Pillow Core). This round neck pillow is made of polyester material, which is more strong, soft and skin-friendly. Pillow core for slow rebound memory cotton, can fit support and timely rebound, soft support. Zipper opening, pillow core easy to load.Relieves Back Tension: Ergonomically designed with foam material to provide perfect combination of comfort and support, This Round Yoga Bolster Pillow supports neck and cervical spine to reduce symptoms of back and muscle tension.Easy To Clean: For added convenience, Neck Roll Pillows features a removable cover that is machine washable. If dust accumulates or you accidentally spill something on it, simply take cover off and throw it in washer to make it Fresh as new.Applications: This Cervical Bolster Pillow is perfect for home and travel, lightweight, convenient and easy-to-carry. Great for room, living room, sofa, couch, office chairs, plane, car, boat. Perfect gift for birthdays, Mothers's day, Christmas, etc. This Round Pillow Cases is very good gift for yourself, your family and friends.