1. [Preferred Material] The portable mug is made of food-grade organic silicone 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 folding: the height is only 2 cm, you can neatly put them in your bags, handbags, backpacks, suitcases and they won't take up any space. 3. [Wide Range of Uses] Foldable travel mug suitable for hot drinks as well 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 toothbrush mug when camping. 4. [Package Included] 4 camping foldable mugs with lids, available in 4 colors: pink, blue, green, and yellow. The maximum capacity is 150 ml. Before folding: the top diameter is 8 cm, the bottom diameter is 4.5 cm, and the height is 7.3 cm. 5. [Excellent Detailed Design] Foldable silicone mug that allows you to hang the travel mug on your bag by connecting the hand strap (without the rope). The tight lid prevents dust and dirt from getting close.