Yes that glass is yours. Wine Glass Writers are markers for your wine glasses both stemware and tumblers. Write your name; get creative with a design. (Great for writing on wine bottles given as gifts.) No more jangling wine charms tangled in the drawer. No need to worry how to identify tumblers and other stemless glasses. Wine markers stay on for the party and washes off with a sponge or in the dishwasher. Wait 30 seconds after writing on glass until ink sets. For chilled wine put name above pour line. The Wine Glass Writer pen uses non-toxic patented ink. These markers also write on leaded crystal plastic and glazed ceramics. Pack includes six pens. Colors: metallic silver metallic gold metallic green metallic pink metallic purple metallic blue.