2-piece set of 13-ounce tumblers from Iittala"s Kartio glassware collection; created in 1958 by the late, renowned Finnish designer, Kaj Franck * Glassblowers at Iittala"s Helsinki headquarters mold the durable lead-free glass tumblers by hand; in translucent apple green glass, special for 2009 * Each tumbler gradually narrows from its wide mouth to the glass"s bottom; characteristic of Franck"s designs, simple design remains contemporary and blends in with elegant and casual table décor alike * Safe for top-shelf dishwasher cleaning using a short cycle and lower temperatures; secure and space glasses apart from one another * With a 2-pound shipping weight, tumblers measure 3-4/5 by 3-4/5 by 4-4/5 inches; manufacturer warranty for defects in construction