Complex sentence: It can be a square piece of fringed tartan cloth any where from 36 "X 36" up to 50 "X 50", with the most common size being 40 "X40".
Split into simpler sentences: It can be a square piece of fringed tartan cloth any where from 36 "X 36" up to 50 "X 50". With the most common size being 40 "X40".