Made with BPA-free materials, these cups provide safe sipping. The innovative temperature-sensitive technology transforms the cup's color with cold or hot liquids, reverting to its original hue with warmth. Each tumbler comes with a secure lid and a straw with a fixed ring to keep it in place. The unique design makes this mug an eye-catching highlight at parties, get-togethers or in everyday life. Ideal for outdoor events, parties, bars. Qty for 4000pcs and over by ocean.
