100% Polyester Cordless operating system, pull and stop, freely adjust the position of the curtains to control light privacy and styling. For plus size, please refer to the size guide picture in the 7th main picture to choose the most suitable size. If you need a no-drill installation, consider this link B0BKL5QWD1 (no-drill installation can only be installed inside the window). Sulugood Brand Cordless Roman Shades was founded in 1997 and has been dedicated to solving customer needs and product optimization for many years. There are multiple quality control channels before shipment, and each set of products is made on-site according to the dimensions you provide, not goods backlogged in the warehouse in advance. 70%blackout protects furniture and your family's eyes from glare by blocking out strong, harsh light, while keeping the room well-lit. 【Why Choosing "Sulugood" Branded Blinds & Shades】* With 22 years history,high quality roman Window shades, providing customized service.* Our products are not inferior stock, they are made in real time according to the size you ordered, giving you a brand new product. *Sulugood robust clutch mechanism has been tested 10,000 times in the usual lifting or pulling down tests. We provide free replacement service if the product has quality problems within 12 Months.