Actual Blinds Size is 36 inch Width. Therefore, make sure your window width is larger than 36 inches for an INSIDE mount. ?For outside mount, we recommend Shades Width=your window outer frame width + (2-4)inch for better coverage. Cordless Blinds for Windows: The cord-free design provides a clean, tangle-free look to the window and creates a safer environment for children and pets. Easy to raise up or lower down to gently filter sunlight. Easy to Install. Room Darkening Blinds: This will NOT be completely private. The unique weaving method of bamboo slats increase the shading performance. Perfect for bedroom, living room, dining room, office. Due to the nature of real bamboo, these shades are for indoor use, and not for outdoor use or moist, damp environments. Natural high-quality wild bamboo, breathable, keep the indoor air fresh and natural, warm and beautiful. Since these shades are all natural, small gaps between each flat material are normal and help gently filter light for a unique, soft glow. Please understand the color difference and bamboo joint on the blinds because of the nature material. If you have any issues or questions in the process of purchasing, installing or using, please feel free to email to us by Amazon message and we will respond to you within 24 hours.