Thinfire paper is 41" wide and sold in lengths of 12". This is the best paper for fusing glass! Cut the paper to a little larger than your art and place in the kiln to fuse. This paper is good for one use only. If you purchase one ft of this you will recieve a piece 12" x 41", If you purchase 3 ft of this you will recieve 36" x 41". We also sell full rolls of this paper they are 41" x 250'. Please call ABR with any questions.