Good Material:100% Mulberry Silk pillowcase 2 packwith hidden zipper designHighest Grade Silk Pillow Cases. Sleeping on silk will bring lot of health benefits for people. You will be younger and more beautiful with silk.Hidden zipper:Durable Exquisite craftmanship with neatstitches and invisible zipper design, the invisible zipper design keeps the pillowcaseseamlesslet you dont feel the presence of zippers.SizeColor: STANDARD size 20 x26 Inches (50x66cm) fits most STANDARD size pillows,QUEEN 20x30 Inches (50x76cm) fits most QUEEN size pillows. KING 20x36 Inches (50x91cm) fits most KING size pillows. Multiple colors and sizes for your choice.Healthy to skin and hair: Pure silk pillowcase which can keep your skin moist reducewrinkles. Slip silk pillowcase can give you comfortable and cool touch Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!