Sold by the foot.  If you purchase multiples, I can ship in 20 1/2 x the number of feet that you purchase.  This extra sturdy ceramic-based Kiln Shelf Paper provides:•Excellent glass/shelf separation & prevention of sticking•Extra sturdy compostion so clean-up is easy•Can be used more than once when slowy annealed•Excellent at temperatures below and exceeding 1400F