The Vortex Calix travel mug combines luxury and sustainability, crafted from recycled 304 stainless steel as a statement of eco-conscious style. Featuring a screw-on, leak-proof lid, its designed to handle frothy beverages with ease, and the cap includes a carrier loop for attaching an optional crossbody belt, making it a convenient, hands-free option. With Coppertech© double-wall insulation, this 400 ml tumbler keeps drinks cold for up to 12 hours or hot for 4 hours. Durable and dishwasher-safe, Vortex Calix offers both functionality and lasting temperature control for your beverages.