VINGA Erie thermal mug (350 ml) made from RCS-certified recycled stainless steel, ensuring verified use of recycled materials. Features double-wall vacuum insulation to keep beverages hot for up to 5 hours and cold for up to 15 hours. Contains 58% recycled material based on total product weight. Hand wash only. Packed in an FSC®-certified kraft paper box. Custom logo branding available—an elegant, sustainable choice for corporate gifts, office use, and eco-conscious brand promotion.