Like a Proton, Stay Positive - 20 oz Coffee Tumbler CL46 A heatsink is required for

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Like a Proton, Stay Positive - 20 oz Coffee Tumbler CL46 A heatsink is required forFREE Shipping! Our 20oz. coffee tumblers with sliding lids feature stainless steel double wall construction, vacuum insulated for 2X cold and heat retention compared to glass or plastic containers! Etched in America. Comes with removable clear sliding lid (no spills!) and textured sweat free powdercoating to keep your drink from dripping. BPA & Lead Free. Hand wash only, do not microwave. Satisfaction Guaranteed: If you aren't completely satisfied