Your valance needs to have a dust cover which slides into the clip.

Notice: The SIZE and SHAPE of YOUR virtical blind top headrail directly affect the compatibility of the clips. Please kindly check the size and shape on the picture show.

The clips ONLY fit for 1-1/2"(39mm) or 1- 9/16"(40mm) width virtical blind TOP head rails across the top.

Install: The clips can't be bent and can only be slid in from the left or right sides of the virtical blind top headrail.

Pack of 6pcs white plastic clips. Size: 2-7/8"(74mm)L , Clip length: 1-17/32"(34mm)

6pcs Valance Clip Vertical Blinds Dust Cover Holder Bracket for 1-1/2" or Head