Love having your friends over to watch the football but fear that something will be broken? Rest easy with the Unbreakable Beer Tumbler set. Made of strong polycarbonate and boasting superior thermal efficiency, the only thing that may be damaged is your spirit if your team loses...The Serroni Unbreakables Fresco range is the perfect choice for all your outdoor entertaining. The range is made out of sparkling polycarbonate, however, looks like it is made out of finest quality glass. The Fresco range will not shatter or crack, making it safe for use by children and is able to be placed in the dishwasher. Serroni recommends individually handwashing your products, using a mild streak free detergent. Rinse under hot water and leave to drain.