?Cleaning and Maintenance? 1. Silk fabric is special, not machine washable, hand wash is better, water temperature should be below 30 °C, avoid long time soaking, do not wash hard. 2. Try to use neutral detergent, avoid using alkaline detergent such as soap and washing powder to avoid yellowing and fading of silk. 3. Wash the dark and light colors separately. 4. Do not screw after washing, do not expose to the sun. 5. The correct way of care can continue the texture and service life of silk.?After Sale?Support returns within 1 year.If you have any problem,please feel free to contact us.We will try our best to help you. ?Multi-Scenario use?Whether in Home,airplane, train, bus, or in office, it is a good helper to help you relieve fatigue. ?Why choose us?You are unique in the world and deserve get the better one. We spend more attention on quality so that can make better products at the same price . ?Natural material? 100% silk fabric, natural farm cultured silkworm, carefully selected raw materials, 8 processes, no odor, healthy and breathable, no damage to the skin, good shading effect, elastic band can be adjusted. ?Ultra-light?Only 0.3oz, ultra-comfortable human sleep design, light and soft, no pressure feel on the eyes, almost no weight of the product, so comfortable that makes you do not want to take off, sleep all night.Best Sellers Rank: See Top 100 in Health & Household. Number of Items: 1. Unit Count: 1.00 Count. Age Range (Description): Adult. Material: Silk,Satin. Brand: PEGAFOX. : B07RMXDLJ4. Manufacturer: Uriser. Date First Available: May 8, 2019. Item model number: B07RMXDLJ4. Package Dimensions: 8.15 x 3.66 x 0.59 inches; 8.78 Ounces.