▲ 20’’ x 30’’ Pillowcases Pack of 2! ▲ (NO INSERT) MATERIAL — Made of 100% Premium Quality French Flax Fabric with Pre Washed. Use the exquisite craftsmanship stitch with the elegant embroidery border on the cover. Our linen products has been certified according to STANDARD 100 by OEKO-TEX, which is eco-friendly. The flax pillowcases can bring you a healthier life, durable for a long period. ADVANTAGE — Unique breathable, cool feeling in summer, no sweating concern; Also a great choice for winter, wonderfully warm. Heat conduction and moisture absorption is larger than cotton fabric, you will get great nights sleep. Good color fastness, not easy to fade. This linen pillow cover will exceed all of your needs. USE INSTRUCTION — Gentle cycle washing under 60℃. Do not use detergent that contains bleach or whitener. Tumble dry with medium heat. Warm ironing if needed. Do not dry clean. Wash with similar colors. Linen fabric will becomes softer after every wash. We have same style 100% linen duvet cover set/ sheet set/ fitted sheet for you to choose, they are perfect match. There are also 55% linen & 45% cotton sheet set/ duvet cover set/ flat sheet/ bed skirt available. If you have any problem, feel free to contact us, we provide 24/7 customer service : )