Medium Fiber Coaster set Heat insulation The front is coloured printed paper which, combined with cork backing, will add an extra layer of protection to your furniture, stain-proof hardboard top and * cork board bottom make these placemats perfect for both indoor and outdoor use. Protect your table while decorating for the dinner party! MDF Coasters are a durable and environmentally friendly product that will last for over a year. It protects the table from the heat. Our coaster sets are stylish, functional and affordable. These cork-backed placemats are easy to clean. Surface antifouling, glossy, just wipe clean with a damp cloth