Simple design: finish your cup of joe, simply collapse and store your reusable travel cup. Great for hot or cold coffee. Carbon color. Best technology: LFGB Certified silicone cup and tab BPA-free, polypropylene lid and a heat sleeve (included). No Phthalates, leads or glues. Dishwasher and microwave safe. No spills or splashes: mouth tab creates airtight, leak-proof seal. You can safely place it in your bag. Double the good cause: not only this purchase is qualified for Waka Coffee's Add Water, Give Water program, you also help save the planet by using a reusable cup with a straw-less design in mind. Stojo also made this collapsible cup from food-grade silicone and recyclable materials.