[High Quality] The folding cup is made of food grade silicone, which is safe, non-toxic and odorless. It has passed the strict food safety inspection. Good anti-drop performance and durability. [Foldable Cup] Foldable design, pocket size, easy to store, easy to carry. It can replace disposable cups, save energy and be green. [Double sealing design] Cup Mouth With Thread, the sealed lid can effectively prevent the lid from falling off. Cover holes and air holes also provide good sealing effect. No matter how you shake, the water in the cup will not flow out. [Reusable and washable] After use, the cup can be cleaned and sterilized with boiling water. Easy to clean, it can be easily rinsed off after each use and ready to use. The mug can be reused, not a disposable item. [Upgraded Mug] The collapsible coffee mug has an insulated ring that is comfortable to hold when filled with hot water. It stabilizes the cup and retains its shape and protects your hands, preventing you from scalding yourself while drinking hot coffee or water. The compact cup design allows for the insertion of a straw.