JLIKA nursing pillow covers are designed and crafted from 100% cotton sateen material on top and luxurious soft minky on the bottom. The breastfeeding pillow slipcover is super soft with rich color saturation that won’t fade. It’s breathable, comfortable and sure to stand the test of time. Nursing pillow cover comes in a universal design, features an extra large zipper in the back for proper fit and tightness. MACHINE WASHABLE: Easy to clean – just wash in cold water and tumble dry on low.