4.5" x6" Fits ICTCS 2 clamp base only. This size is great for narrow pockets on bags etc. It's also great for thick workwear jacket logos. Remember to rotate your design! This window frame comes with two top pieces a silver and a yellow. The silver top piece is for thinner materials and the yellow top piece is for thicker material such as leather. You do not use them together only one at a time.