purebloom 25 mm Mulberry Silk Pillowcase for Hair & Skin | Machine Washable & Dryable with Zippered Enclosure | Double Sided in Queen & Standard Size | Natural Undyed White HIGHEST QUALITY 25 MOMME 100% MULBERRY SILK - 25 momme silk delivers 30% more silk than cheap 19 momme imitators. Mulberry silk is expertly crafted to provide pound for pound more durability and strength than steel GENTLE ON HAIR - The smooth silk allows hair to slip easily across the pillow, preventing bed head and hair breakage. Recommended for thinning, fragile, or recently colored hair REJUVENATES SKIN - Dermatologist recommended to keep skin moisturized, wrinkle free, and clear of acne. Hypoallergenic and free of dyes or chemicals, so it is safe for all skin types MACHINE WASHABLE AND DRYABLE - Weve fine-tuned the construction of this pillowcase so you can simply wash and dry it with your whites. No special instructions, no extra hassle HIDDEN ZIPPER ENCLOSURE - Allows you to use both sides of the pillowcase. With a folded enclosure, the pillow will slip out if used on the wrong side (or, will leave a seam on one side). The zippered enclosure will allow you to rotate usage to help the pillowcase last even longer