Traverse Tumbler The Traverse Tumbler is a beautiful double-walled tumbler which is well insulated, keeping your drink at the perfect temperature. The tumbler is provided with a geometric design. The volume of the tumbler is 475ml. This Traverse Tumbler features a cap that can be opened easily. The Traverse Tumbler can be printed with your own design or logo design. This is a great promotional tool that you can give to your customers or even your colleagues. You can print your design or logo in up to 4 colors. Also, you can engrave your logo. The tumbler is available in two colors. The Traverse Tumbler is completely BPA-free production.