1-3/4 in. x 36 in. Clear EZ-On Door Bottom. Use the Frost King 36 in. Slide-on Clear Door Bottom as a simple way to keep cold air, dust, dirt and bugs out. The slide-on design attaches easily with no tools for added reliability. This Door Bottom is made to be used with Saddle type thresholds. Easy to install. Measure/cut slide on. No tools needed to install. Fits standard size entry door. 1-year warranty. For saddle thresholds. Saves energy. Saves money.