Selling because I purchased the wrong size. Can be installed on a curtain rail. Deconovo Roller Blind, Width 60cm, Length 135cm, Gray, Chain Type, 1st Grade Blackout, Insulation, Heat Insulation, Cold Protection, Soundproof, UV Cut, Same Color on Front and Back Material: Aluminum, Polyester, Polyvinyl Chloride (PVC) Product Dimensions: 135cm length x 60cm width Brand: Deconovo Color: Gray Opacity: 99.99 percent Recommended Use: Living Room [Set Contents] Surface Material: 100% Polyester, Head Rail Material: Aluminum, Chain Material: PVC (If mounting hardware is not included, please feel free to contact us. We will respond immediately.) [Complete Blackout] 1st Grade Blackout (99.99% or more), Insulation, Heat Insulation, UV Cut, Simple Design, Chain Type, 13 sizes available. In summer, it blocks strong sunlight and suppresses the rise in indoor temperature, and in winter, it blocks the cold from outside, which can be expected to save energy. It is also recommended to prevent discoloration of flooring and furniture.