This might be the ultimate camp mug. It has a double-wall vacuum insulation and it's the perfect size to enjoy coffee, chili, or ice cream longer. The YETI(R) MagSlider(TM) Lid seals your mug to prevent splashes, and when removed, the bottom grooves allow mugs to nest perfectly so you can stack them and save space when storing. Plus its got an ultra-durable ceramic lining for easier cleaning. Like all YETI(R) Rambler(R) Drinkware, the mug and lid are dishwasher safe. Please note: Do not place the mug over an external heat source or open flame, vacuum seal or damage may occur. The mug's wide opening means contents may cool quicker without the lid. Features STACKABLE BASE: Remove the lid and nest your Rambler(R) 14 oz. Mugs to save space 18/8 STAINLESS STEEL : Made with kitchen grade stainless steel, so they're puncture and rust resistant DOUBLE-WALL VACUUM INSULATION : Keeps cold drinks cold and hot drinks hot until the last sip 360-DEGREE WELDED HANDLE: For a firm grip on your beverage that won't break if it hits the rocks DISHWASHER SAFE : Because no one needs more work to do Lined with DuraSip(TM) Ceramic Lining for easy cleaning and added durability Capacity: 14 oz.