Marty has you sorted. If you have this coaster under your drink, you will never drink alone! Isn't that great? Get our lovely selfmade coaster here or instore! Marty Coaster- Maktus designed drink coasters. Illustrated and designed by Eoin Whelehan Illustration for Maktus. Cool Irish Souvenir.  Hard wearing melamine plastic coaster with anti-slip cork backing. Dimensions 4x4 inches or 10cm x 10cm