The SMART double-wall tumbler is made from RCS-certified recycled stainless steel, and features an innovative one-touch opening lid. Simply press the trigger to open and push the lid down to close – no twisting or screwing required. Designed with vacuum insulation and copper plating for long-lasting temperature retention, and finished with a durable Tritan lid. Presented in a recycled cardboard gift box. Volume capacity: 500 ml.