Your new favourite beverage holder for when you're on the go. The Rambler 30 oz Travel Mug has an elevated handle and cupholder friendly design. Made from durable stainless steel with double-wall vacuum insulation to protect the hot or cold temperature of your drink. 30 oz (887 ml) travel mug Double-wall vacuum insulation Keep cold drinks cold & hot drinks hot Lid & MagSlider included 18/8 stainless steel Magnetic MagSlider for easy opening and closing Fully dishwasher safe Puncture & rust resistant No sweat design prevents hand condensation Magnetic MagSlider is not leakproof and will not prevent spills if turned upside down.