5 different combinations. 1) 8" set, 1) 11" set, plus 14" expander kit.  Mix and match to make all these size combinations. 8" square, 8x11", 8x14", 11" square and 11x14".The frames are lightweight and easy to use. Assembles and disassembles in just seconds without tools. Q-snap frames will not mark or wrinkle your project like hoops and the 7/8" diameter tubes are much more comfortable to hold. Compatible with all of our stands that include our universal scroll frame clamp.