Built Double-Walled Stainless Steel Tumbler – Charcoal Grey (568 ml)

This 568 ml Built Tumbler offers double-wall vacuum insulation to keep beverages hot for up to 4 hours or cold for up to 8 hours. The charcoal grey powder-coat exterior provides a no-sweat grip, and the clear, spill-resistant lid ensures drip-free transport—ideal for commuting, camping, or desk use. Technical specifica