These universal screen clips are constructed of plastic and come white in color. Each clip has an overall reach of 3/4 inches, and the height is adjustable from a flush fit, up to 7/16 inches when using the stackable rings of 2 different heights included with each set. These adjustable-height screen clips are used to secure window screens where there are uneven surfaces, and/or when the user is unsure of the correct height to use. This item includes two 1/16 inch thick rings and four 1/8 inch thick rings per clip, and each package contains 4 clips per package. Installation fasteners are included with each package.