Kosta Boda Line TumblerLine from Kosta Boda has been in production since 1982. The collection is unique, with a thread of spun glass applied on each product by hand a symbol of high quality Swedish craftsmanship from Kosta Glassworks. The mouth blown tumbler is ideal for mixed drinks or as a water glass. A tumbler perfectly in line with your style. Design by Anna Ehrner. Mouth Blown and Handmade in Kosta, Sweden