Hans Larsen® Borculo Vacuum Insulated Tumbler with Reusable Straw is part of the CHANGE Collection. As a result, contributes to Water.org - a global NGO that provides millions with access to safe water and sanitation. By giving to Water.org, you are giving a GIFT THAT GIVES BACK. Borculo is a double-walled, leakproof, stainless steel reusable coffee tumbler with 5 hours of hot, and 15 hours of cold storage. Scandinavian design. Includes a reusable straw with a straw cleaner. Content: 540ml They are packed in a stylish recycled box that educates about making the Change from single-use to reusable products.