Equipped with double vacuum insulation. With ergonomic, comfortable grip. Narrow bottom design fits almost any cup holder. Designed with an advanced cover for additional leak resistance. Rust-resistant, anti-corrosion, durable and reusable. Easy to clean bottles, just put them in the dishwasher. YOUR DREAM CUP: No matter how your day goes, the mug will keep you refreshed with fewer refills. Double-walled vacuum insulation means drinks stay cold, icy or hot for hours. The narrow base fits almost any car cup holder, so it will always be with you. ADVANCED COVER DESIGN: Whether you prefer small sips or maximum thirst quenching, we have developed an advanced lid. equipped with a rotating lid with three positions – a straw hole designed to resist splashes, with a seal to keep the reusable straw in place, a drink hole and a full top cover for additional tightness. We have also added an ergonomic, comfortable handle so you can easily carry icy water to work, to meetings, to the gym or on trips out of town.