Thermos cup: Get your hands on a portable thermos cup. Care: Hand washing is recommended for this product. Size options: Choose from either a 380ml or 510ml cup size. Colour options: Choose from 5 colours - white, black, green, navy blue or pink. Sturdy: Made with high-grade 304 food grade stainless steel - anti-rust properties and lead free! Travel friendly: This thermos keeps your on-the-go beverages hot or cold - perfect for office use, road trips, camping and hiking and more! Portable Thermos Cup | Navy Blue | Living Social