Healthy Material: The foldable travel mug is made of food-grade silicone, and offers a stainless steel rim and plastic lid. Easy to clean, odorless, stain-free, durable, flexible, and reusable Excellent Performance: Can be hung on a bag with a hand rope attached and a portable hook. The measurements on the inside of the cup are easy to read. - It is easier to hold and drink from the stainless steel rim of the cup. - Tight-fitting lid keeps dust and dirt away. Foldable and Portable: The foldable cup is suitable for traveling, camping, hiking, and daily drinking. Because it is foldable and lightweight, you can enjoy your favorite hot or cold drink anywhere. Pocket Size: Foldable design, compact and space-saving. When folded, the camping cup can fit well in your pocket, backpack, suitcase, and does not take up space, making it perfect for outdoor hiking, camping, travel, and sports activities.