Description Product description [High ] The folding is made of food grade silicone, which is safe, non-toxic and odorless. passed the strict food safety inspection. anti-drop performance and durability. [Foldable Cup] Foldable design, pocket size, easy to store, easy to carry. It can replace disposable s, 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 will not flow out. [Reusable and washable] use, the 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 can be reused, not a disposable item. [Improved Cup] The collapsible has an insulated ring that is comfortable to hold when filled with hot water. It stabilizes the and retains its shape and protects your hands, preventing you from scalding yourself while drinking hot or water. The compact design allows for the insertion of a straw.