Dia Travel Mug These Dia Travel Mug is, as its name suggests, convenient to take along on trips. The mug is compact and fits under almost any coffee, there 227ml can. The mug is on the inside of stainless steel and of styrene acrylonitrile. The mug lid features a convenient drinking opening that you can click open and close. Because Dia Travel Mug is small it is easy to take it with you for example to a meeting. The mug is available in 5 several colors. You can print your own design or logo designed by the mosquito. You can print your design or logo in up to five colors. Also, you can engrave your logo. Slide Travel Mug produced BPA Free.