Available in a range of colours, blank or personalised with any name in your choice colour and font. Features: Double-wall coffee and tea cups that provides insulation for 1 to 2 hours. Dishwasher safe (top self) and easy to clean. Silicone seal and silicone non-slip grip Borosilicate Glass (hardened Glass) All Glass Lid has a bespoke drinking hole and air hole, like takeaway coffee cups. BPA free 100% recyclable Do not microwave Specifications 12oz / 355ml - 16cm x 8cm (Top Diameter) x 6.7cm (Bottom diameter) Disclaimer: IOco Glass Coffee Travellers are the ultimate in luxury, made from Borosilicate, hardened Glass able to withstand high temperatures. Ideal for the tea & coffee connoisseur who is looking for a reusable coffee takeaway cup that is enjoyable to use and doesn’t taste like plastic, silicone or metal. Like all glass products, IOco Travellers will break if knocked or dropped.