Perfect protection for pillows: Our waterproof pillow protectors are made of revolutionary polyester knit fabric with a waterproof TPU membrane in a hidden zipper design. Hidden zipper design and non noisy: These non-intrusive zippered pillow cases won't bother you while you sleep, you don't have to worry about your pillow getting wet, your pillow is protected like never before. High quality fabric: Nice quality microfiber fabric is breathable, stain and wrinkle resistant. Waterproof function: Keeps your pillow dry and free from water. Dust protection: Each cover has 360 degrees of protection to keep your pillow free from dust, feathers, stains and wear and tear. Perfect fit: Our pillow protectors come in a variety of different sizes, so you can find the right fit. Material: Microfiber Package includes: 4 x Zippered Waterproof Pillow Protector (Pillows are not included.) Care instruction: Machine wash cold on delicate cycle, tumble dry low heat, do not use fabric softener or dyer sheets. Do not bleach. Do not iron. Do not dry clean. Satisfactory sales service:If you find that our products have quality problems, just contact us and we will solve the problem for you immediately.