Customize this tumbler with straw!This food safe tumbler is made of BPA-free polypropylene,which is eco-friendly and durable.Measures 4.13 inches*2.44 inches*4.92 inches and features with color changing properties which will bring a smile to the users face as that watch the change.Easy opening for cleaning and adding ice.It is perfect for parties, BBQs and tailgates.Custom your logo for brand promotion. Made from plastic material, this custom 16oz color changing plastic cup tumbler with straw. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: BPA-free, leak-proof, travel-friendly.