Material-These sweat-resistant glasses are made of high-quality plastic-a sturdy, high-quality material that won't scratch, crack or leak-different from inferior products made of ordinary plastic like acrylic.Specification:Name: color changing cold drink cupMaterial: 100% food grade PP, environmentally friendly, non-toxic and durableCapacity: 600-710mlSize:Height: 17.3 cm/6.81 inches;Bottom diameter: 6cm/2.36 inches;Bottle cap diameter: 9.8 cm/3.86 inchesColor: orange, blue, green, lake blue, pinkFeatures: color-changing cup, reusable, with straw, with lidNote: When the liquid temperature is lower than 17 degrees, this product will change color, suitable for ice coffee or ice water.Package includes: 1* color-changing cup