TONY & CANDICE 100% 19 Momme Mulberry Silk Pillowcase with Hidden Zipper for Hair & Skin Facial Beauty Queen Standard Size (Standard/Queen-20''30'', Ivory) 100% 19 Momme pure Mulberry silk, 100% Grade-A top quality mulberry silk pillowcase. 100% 19 Momme pure Mulberry silk with 400 thread count; The underside of the pillowcase is cotton with 40-60 tex. Hidden Zipper Closure At The Side, comfort and better fit. Size: 20*30 inch (50*75cm), it usually fits standard and queen size pillows. We recommend you to measure your pillow size before you buy it. It's the most natural anti-aging product, as well as hypoallergenic, smooth, soft, breathable, and comfortable. High-quality silk can help prevent hair from becoming knotted and matted, and it can reduce facial wrinkles. TONY & CANDICE Grade-A mulberry silk pillowcases aid with the natural care to your skin and hair, visibly reducing the signs of ageing. Additionally, our pillowcases are hypoallergenic and naturally dust-mite resistant, making them perfect for those that suffer from a range of allergies. It's absolutely healthy, chemical-free, naturally dyed, no color shading or fading.