The Window Sill- Threshold Collection consists of excellent colors and designs. Also, this collection is fully available in polished finish. Next, there are two categories within this collection; window sills and thresholds. Each window sill comes in a polished finish. The window sills are available in different designs and sizes. First, the White Carrara in the size 5×74-6×74 Inch. The other window sill available is Travertine in the size 5×74-6×74 Inch. Furthermore, the thresholds are available in a polished finish. There are White Carrara, Travertine and Crema Marfil thresholds available in the size 2×36 Inch. In conclusion, these travertines and window sills are great for any elegant and sophisticated look.