30oz Gold Rainbow Plated Tumbler with Portable Handle-20pcs-20pcs Black and White or 20pcs Mixed-Teal-Pink-White-Black-Purple-High-Quality Stainless Steel – This 30oz travel mug is made of food-grade stainless steel, durable and rust-resistant, healthy and no metallic taste. Double wall and vacuum insulation technology keeps your drinks at the ideal temperature. Keep your drinks cold for up to 24 hours or hot for up to 5 hours, making this travel mug the perfect on-the-go to keep you energized all day long. Suitable for cup holders – Suitable for cup holders, practical when you go out. Take it with you on every outing, whether you’re driving to work, running errands, camping, hiking, fishing, playing sports, or just doing your daily treks. Carrying Handle.