a Uk-Made Aluminium Metal Coaster with a Pantone Matched Screen Print or Full Colour Process Print on 1 Side. Lightweight Aluminium Metal is Durable & Easy to Clean. Ideal for Creating a Elegant Coaster to Protect Surfaces From Spills & Stains. Fitted With Cork Backing.  Felt Backing Available for an Additional Cost. 4 Standard Shapes & Sizes: Square (89Mm) & Round (89Mm) & Octagon (90Mm) & Hexagon (94Mm). Optional Extras: Cork Base & Scratch Resistant PVC Seal (Recommended on Screen Printed Coasters with Large Blocks of Ink). A Selection of Larger Sizes & Alternative Shape Are Available (Please Enquire for Details). Office & Conference Products Range From Stationery & Coasters to Printed Plastic Cards & Stress Toys. All of These Useful Items Can be Personalised to Create Effective & Enduring Promotional Tools. Minimum Quantity: 50