To ensure that your blinds fit in your windows, the width of your opening must be 1/2 inch larger than the blind size that you purchase. The minimum depth required to mount blind is 1 1/2 inch. The minimum depth required for flush-mounting is 3 inch. Our blinds are crafted with high quality components including high profile steel head rail, quality pvc foam slats, wood tassels, and solid trapezoid bottom rail. Our blinds resist heat and humidity, and are great for all areas including the kitchen, laundry, and bathroom. Mounting hardware and a majestic valance are also included in the box.