1.Frame Meterial:aluminum 2.Jalousie Meterial:glass 3.Various sizes and colors available 1.Frame Meterial:aluminum or PVC-U2.Jalousie Meterial:glass3.Glass:Double glazed, tempered, frosted, Low-E, laminated, wired glass, etc.4.Various sizes and colors available 5.Function:sun shade,ventilation,interior beautification. Welcome to send enquiry to us, we will reply you with competitive price ASAP!