Guests might forget their wine glass charms but they won't forget their name.Use these Wine Glass Writers to decorate and identify wine glasses and tumblers - no need to worry how to locate your tumbler or stemless cup.They are a great alternative to jangling wine charms dangling on wine glass stems and tangling in the drawer.The ink stays on for the party, resisting smudging, but washes off easily later with a sponge or in the dishwasher.The bright, opaque pigmented metallic ink dries after 30 seconds and show up well on glass and polycarbonate.These multipurpose pens are also able to write on surfaces such as metal, plastic, crystal, and glazed ceramics.For chilled wine, put name above pour line.These handy Wine Glass Writers come in a pack of attractive colours - metallic red, teal, and purple.