High density thick triple layer woven fabrics, complete blackout, block out 100% lights either daytime or night which effectively ensure the privacy and safety of everyone inside. Good choices for all the glass window or the door window of front doors/back doors/ patio doors/ study rooms, bedrooms, washrooms as well as living rooms which are face or opposite streets and roads.Important for classroom or offices doors and windows. Easy installed and wash. As the fabrics are the same texture and color on surface and back, it looks tidy and aesthetics for either indoor or passer-by outside. Variety sizes and colors are available to suit your requirement.