DescriptionOur professional full face mask liner is designed to bring you a comfortable experience. The size is just right, not too tight or too loose, and comfortable to wear. And its not easy to break, and its premium to use it for a long time. you deserve to have.Features-Color:Blue -Material:Cotton -Size:10.50X5.00X0.50cm/4.13X1.97X0.20in -Manufactured with cotton material, c an be cleaned repeatedly without abrasion and curling, durable and serviceable for a long term to use.-Perfect for home or hospital use. Suitable for most types of full face masks on the market. -This nasal mask cover is breathable, has good sweat absorption, and will not cause you any discomfort. -Reasonable design provides good fixing performance. You can use it confidently. -This Cpap Mask Liner is easy to carry and store, small in size and does not take up space. Each comes with pre-cut holes to fit most sizes of ventilators, plenty of padding for your daily use and replacement needs, and you can give it to your friends or family