Come and see our amazing products. The collapsible travel cup is made of food grades silicone, BPA Free. The tight-fitting and leak-proof lid will keep dust and dirt out and prevent spills. The white PP ring can stabilize the cup and keep it in shape, make the mug much easier to hold and prevent your hand from being heated. High-temperature resistance means you can put boiling water into the cup or microwave it. Pls confirm further with us if any query about packing info, inventory status and time schedule.