The Bolin is a 530ml stainless steel tumbler that exudes premium style with its elegant PU sleeve and gun metal plating, designed specifically for high-end branding effects. The double-wall vacuum insulation ensures your drinks stay hot for 6 hours or cold for 12 hours without any exterior condensation. It is topped with a leakproof black lid and offers a comfortable, secure grip, making it as practical as it is visually striking.











