Selling because I no longer need them due to moving. Opacity Level: Day 5, Night 3 (Nitori's opacity level. There are 5 levels, from 1 to 5, with higher numbers indicating greater difficulty for outsiders to see in.) *The opacity changes between day and night due to different lighting conditions. Adjustable length with adjuster hooks. (A-hook specification for beautiful drapes) Heat insulation: Blocks outside air and prevents room air from escaping. Image-blocking processing: Diffuses light, making it difficult to see through both day and night, protecting privacy. UV cut 86% Heat insulation efficiency 30.6% Heat retention efficiency 20.0% Machine washable at home. 100cm x 88cm x 2 panels x 2 sets (Photos show 1 set) Purchased around September 2023. Although I am a non-professional inspector, there are no noticeable stains or frays.