#BoyMom Messy Bun Skinny Tumbler 20 oz tumblers are stainless steel, double walled and vacuum sealed with closing lid. This ensures that cold drinks remain cold and hot drinks remain hot for hours. Each tumbler comes with a closing lid and clear plastic straw. Designs are sublimated around the entire tumbler. Single tumbler with design completely around. Tumbler does not sweat. Great for gifts. Perfect by the pool, beach, home or car. Fits in most car cup holders.