CHECK BEFORE ORDER: High-quality samples, they allow you to assess the quality & texture of fabric and then decide on the perfect one for your home; The introduction to each fabric serie help you know them better GRAYWIND DESIGN: All details are designed; Dupont material envelope style, light-weight & durable & reusable, represent our consisten respect for the concept of environmental protect CUSTOMER FIRST: Each fabric labeled uniquely, it helps you quickly recognize your desired ones; Measuring guide and worksheet included, convenient for recording your window dimensions and save it for use later If you want to check the fabric color and quality before ordering, we can send you fabric swatch before placing roller shade order Graywind Fabric Vertical Blinds Custom Size Blackout Vertical Blind Free Wand Control Reversible Privacy Track Slats Set for Patio Sliding Glass Door Window