Actual Size & Fit: A 0.5 in. width deduction is applied for inside mount installations to ensure a proper fit. How to Measure: For inside mount, measure the exact window opening and order the corresponding width; requires a minimum depth of 2.5 in. for flush mount. For outside mount, add 4-6 inches to the width and height to ensure full coverage. Mounting Options: Suitable for both inside and outside mounts for flexible installation based on your window type. Cordless Operation: Smooth, tangle-free lift mechanism allows easy adjustment by gently pulling the shade. Recommended Applications: Ideal for bedrooms, nurseries, kitchens, living rooms, offices, and other indoor spaces requiring privacy and light control. Child and Pet Safe: Cordless design is Certified Best for Kids-eliminating cord hazards for safer homes. What's Included: Includes roller shade headrail, mounting brackets, mounting screws, wall anchors, and installation guide. DIY-Friendly Installation: Designed for quick and easy setup with all necessary hardware and instructions included. We're Here to Help: Questions about installation or sizing? Contact Chicology customer service at [email protected] for support and measurement assistance.