Faux Wood DIY Traditional 1 1/4" Interior Shutter Kits (Paint Finish White, 23-25" W x 20" L) Sizes shown are Width x Length 1 1/4" Movable Louvers, Faux Wood (PVC) Panels can be trimmed up to 3/4" on top, and 1 1/2" on bottom 23" inch Wide Sets comes with 2 panels all other Sets have 4 panels. If mounting kit on outside of window jamb allow at least 2.5" inches for mounting screws.