OUR PILLOWCASE SET HAS RECEIVED THE GOOD HOUSEKEEPING SEAL - Cotton Comfort Pillowcases: Soft, smooth 100% cotton pillow cases standard size pair (21" W x 32" L) - Simple open-end design (4” hem) with slip-on convenience, no zippers or flaps. Pairs well with our 500 thread count sheet sets, sold separately. Independently tested to earn the prestigious Good Housekeeping Seal. Weekend Soft Yet Strong: Made with 100% long-staple cotton; 500 thread count sateen weave soft pillow cases. Lightweight, silky-smooth softness with a subtle sheen that feels smooth on skin. Refined Comfort: This lightweight sateen weave offers a silky-soft glide and can feel softer over time. These cotton pillow cases queen size set of 2 are made from natural cotton that feels gentle with airy weaves. Built to Last: These pillow covers standard size are tested for pilling, fading, and shrinkage. Can soften beautifully with each wash. Machine wash warm, tumble dry low and remove promptly to help reduce wrinkles. Safe & Responsible: Every item bearing the OEKO-TEX STANDARD 100 label is certified as having passed safety tests for harmful substances. Crafted in a family-run factory in India and shipped in recyclable, plastic-free packaging.