Practical features: ✔Aluminum alloy bracket--sturdy and durable, with excellent impact strength, strong wear resistance, strong durability, no rust, anti-aging ✔Polycarbonate board-high light transmittance, UV resistance, rain and snow protection, light weight, good sound insulation, no deformation Specifications: ✔Material: polycarbonate, aluminum alloy ✔Size:23X23in(60X60cm),23X31in(60X80cm),23X39in(60X100cm),23X47in(60X120cm),31X31in(80X80cm),31X39in(80X100cm),31X47in(80X120cm),39X39in(100X100cm),39X47in(100X120cm),47X39in(120X100cm),47X47in(120X120cm) ✔Color: green + silver ✔Package content: polycarbonate board, aluminum alloy bracket, expansion screw, sealing strip Note: 1. Please check all accessories and connections regularly. If it is loose, tighten it. 2. Please measure the size of your window or door first. This list may not be suitable for every door and window. 3. According to the capture and display of light, the color and size of the actual product may be slightly different from the color and size of the website. The measurement tolerance range is 1-3cm 4. If you have any questions, please contact us, we will provide you with better feedback in time, if you are satisfied with our products and services, please remember to give us 5 stars