Deluxe natural slate coasters that have four soft non-slip and non-marking polyurethane pads on the base. The set is nicely presented in a natural unbleached cardboard gift box with a window to show off the brand. Colours: Grey. Dimensions: Coaster: 100mm x 100mm. Branding Options: Laser Engraving-60mm x 60mm. Packaging: Natural gift box. Price includes: Laser Engraving (per set) - 60mm x 60mm. Setup is included.