Winding down or celebrating with friends, the 10 oz. tumbler is perfect for any occasion! This stainless-steel tumbler keeps drinks at your preferred temperature and lets you enjoy every sip with the slidable lid. Stainless steel, double-wall vacuum insulation. Press-on leakproof lid with slidable opening. Hand wash recommended. Mouth Width: 2 ¾”. 2 ¼” (W) x 4 ¼” (H).