A freely flowing Koski.Untamed, but gentle. That's the river's essence. You'll be mesmerised for a long time by the wildly flowing water. In the Koski tumbler designed by Minna Niskakangas, the flicker of light and water also catches the eye. The simple, easy-to-hold shape of the tumbler is enlivened by a surface pattern that Minna originally created by carving into plywood. The Koski tumbler is made of mouth-blown glass.The clear Koski tumbler has a capacity of 27 cl. Machine washable. The set includes two tumblers.