KLOUD City&reg;4 Pcs Assorted Colors Wine Glass Writer Metallic Pen/ Glass Markers (Style 1) Package included 4 Pcs Glass Writer Metallic Pen Markers for your wine glasses, both stemware and tumblers,personalize own wine glasses at party and avoid embarrassing as taking the wrong wine glasses Wait 30 seconds after writing on glass until ink sets Washes off with a sponge or in the dishwashe