Collapsible Silicone, YeHeng Silicone Collapsible Cup Mug-Leak Proof Coffee Folded Cup with Heat Insulation Coffee-Cup Sleeve Reusable for Outdoor Travel 100% Food Grade BPA FreeGrey MAGICALThis cup has excellent stretch, can be folded into the size based on your needs. After folding, you can even put it in your pocket. FASHIONABLE & ENVIRONMENTAL The style of the collapsible cup is very unique, fashion and simple. Reduce using of paper cups and plastic cups, best choice for coffee lovers. SECURITYThe travel cup is made of 100% food grade BPA free silicone and PP material, it is non-toxic, no smell, lightweight. And also can be used in microwave and dishwasher. CONSIDERATE DESIGNSmall mouth design, prevents splashing when drinking. The silicone lid seals well, water will not spill out even if the cup fall down. PP sleeve can effectively anti-scalding, let you enjoy coffee anytime and anywhere. THOUGHTFUL GIFTExquisite and elegant packaging makes this a superb gift for someone who loves to go hiking, camping, walking, travel.