1. [Preferred Material] The Portable Cup is made of food-grade organic silica gel, which is safe, non-toxic and tasteless. Soft and easy to fold, durable and flexible, easy to carry. 2. [Carry around] Foldable and lightweight design saves space after stacking: the height is only 2cm, you can put them neatly in your Bags, purses, backpacks, suitcases can be put in and do not take up space. 3. [Widely used] Collapsible travel mug suitable for hot drinks such as cold drinks, tea, coffee, etc. It is very suitable for outdoor Camping, hiking, office or sports activities. It can also be used as a tooth cup when camping. 4. [Package Included] 4 camping flip-top cups with lids, available in 4 colors of pink, blue, green and yellow. The maximum capacity is 150ml. Before folding: the top diameter is 8cm, the bottom diameter is 4.5cm, and the height is 7.3cm. 5. [Excellent detailed design] Foldable cup silicone you can den Hang travel mug on the bag by connecting the hand strap (without the rope). The tight lid prevents dust and dirt from getting close.