Why Choose MYshade Cordless Shades MYshade is a subsidiary brand of Mingyang Blinds, who sells tens of millions blinds to Europe each year, gained its reputation by putting quality in the first place and developing more good looking and well functioning windows blinds. Cordless windows blinds have been proved to be safe for children and pets. In the laboratory test, MYshade cordless mechanical systems are able to withstand pulling up and down over 5000 times, which mean you could use MYshade cordless windows shades without worrying the operation will fail. Product Specification Main Material: Non-woven fabrics Design: Cordless Type: Horizontal shades Mounting Type: Inside mount and outside mount Slat Width: 1.5" Optional width: 16"/ 17"/ 18"/ 19"/ 20"/ 21"/ 22"/ 23"/ 24" / 27" / 28" / 30" / 31" / 33" / 34" / 35" / 36" / 38" / 39" / 41" / 46" / 52" / 54" / 72" Optional Height: 50" / 72" How To Choose A Proper Size The height should be higher than the height of your windows frame. Inside mount: 1/2 inch narrower than the width of your windows frame. Outside mount: 3 inch wider than the width of your windows frame.