1. Small Size: The silicone material of the collapsible travel mug is lightweight and strong. When camping, hiking, or traveling, the small collapsible mug is an excellent choice. 2. Safe Material, Food-Grade Silicone: Our collapsible travel mug is made of food-grade silicone, without BPA. It has an anti-scald ring for safety. Additionally, it is easy to clean, odorless, durable, flexible, and reusable. Safe and healthy for the whole family. It is safer and larger than similar products on the market. 3. Great Design: Space-saving and small when folded, takes up no space, perfect for hiking, camping, travel, and sports events. Also perfect for use in the office as a coffee cup. 4. Stable Base and Easy to Drink: With the sturdy base, the coffee mug is not easy to tip over. This reusable mug can be drunk directly or with a straw according to your preference. 5. Usage Tips: Firstly, make sure the lid and hole are completely sealed after the mug is full of beverage. Secondly, do not put the mug in your backpack when the mug is full of beverage, as strong shaking can cause the plug to come loose.