tumbler 710ml reusable frosted 24 oz cold cup with lid and green straw pink starbuck color changing water mugs cute r

color change: reacting to ice water, colored confetti shows when filled with cold drink bpa made of plastic, the tumbler is bpa and is conveniently shelf dishwasher safe. colors: the original home of mood products that change color with cold liquids, cold temperatures. these cups do show a tint of color at room temperature. material : 100% food grade pp , eco-friendly ; non-toxic ;durable in using.syi