PRODUCT DETAIL:Material: 100% Mulberry Silk FabricSize: Twin:67"x87"=170x220cm Full:76"x87"=192*220cm Queen:87"x90"=220x230cm King:104"x92"=264x234cm Cal.King110"x96"=240x244cm Customize size eis accepted,please contact us.Multiple Colors Optional: A Side is flower pattern silk,B Side issolid dyed,you can use different color everyday.Feature:100% Charmuse Silk,High Quality Hidden Zipper,Super Smoth and Soft Suface, Cool in Summer and Warm in Winter,Improve your Sleep Quality.UseThe Both Sides of the duvet cover are made of 100% nature silk, It’s smooth and silky surface helps you to sleep well overnight and enjoy dreams, sleep like a baby,bring you an perfect sleeping environment.All seasons are available:cool feeling in the summer and not overly hot in winter.It is a wonderful gift choice for you and your family.CARE INSTRUCTION:Machine washable, but not multiple times.If usinga washing machine We recommend placing the garments in a mesh washing bag toavoid scratching or pulling of the garment.Do not blench.Cool iron on the backside.Silk fabrics can not be exposed to the sun, easy to fade, great damage to color,should be natural air-drying in the shade.