Boom Eco Mug This Boom Eco Mug is not leaking, double journey mug that can hold both your hot and your cold drinks at the perfect temperature. The lid of the mug is made with a drinking opening which is closable. The Boom Eco Mug is a volume of 225ml. The mug is specially made for it in order, when it is at the end of its life, to pick up all the way from one another so that they can be recycled. The Eco Tree Mug is available in four colors. The mug can be printed with your own design or designed logo. You can print your design or logo in up to five colors. You can also engrave your logo. The mug is produced BPA Free.