Customized Tumblers & Travel Mugs, Danube - 12 oz Ceramic Tumbler with Recycled Plastic Exterior & Lid - Slide Top, Our new Danube 12 oz tumbler is a Goldstar exclusive! This stylish tumbler combines a ceramic inner with recycled plastic exterior and lid with easy thumb slide-top. Comes packaged in individual kraft gift box with recycled polypropylene polybag. Customize with 1-color silkscreen imprint. ... #WDZ $12.40/each.