Our fabric is 100% Polyester fabric with thermal insulate foam backing. Highest quality fabric can significantly reduce heats and block all lights completely. Cordless spring system gurantees you safety around your window area. Unlike the other spring systems, our shade runs consistently and sliently from the bottm to top. You just need screw drivers to install, and it will take only 10 -15 mins. All shades are roll exposed with NO VALANCE. Basic roll type is STANDARD, If you want reverse roll, please contact us directly.