Made of non-woven fabrics, good elastic to hold U shaped . One size to fit most U shaped . Disposable use. No smell or irritating, feel soft and comfortable on your face. Widely used: Massage Therapists, Acupuncturists, SPA, Salons and more. Model Number: Pillow Covers size:Width 32cm Length 30cm Side Height 10cm Material:Non-woven fabric colour:White Package Contents: 50 x thick U-shaped pillowcases Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.