8 OZ Reusable Glass Coffee Cup is made of clear, durable glass, these customised Mugs are perfect to keep you cosy on a cold day. The delightful design and practical features will help you enjoy your best beverages to the maximum. Savour the flavour for a much longer time with the thermal insulation. Any of your guests will surely enjoy sipping their favourite coffee or tea and watching their delightful swirls and colours. It's great for restaurants, hotels, coffee shops, and catering services.