Universal Vacuum Bottle Cap with Silicone Sealing Ring Stopper Thermal Cup Lid Plastic Cover Travel Flask Mug Replacing Parts

Description: Easy to use: This vacuum bottle cap is designed with a switch on the center, just press it, then you can pour out water. Fits for most: This thermal flask lid is suitable for a bottle that has a 4.5cm bottle mouth interior diameter and can be installed easily. Leakproof: This thermal bottle cap is designed with a silicone sealing ring that can prevent the water from leaking. Plastic material: This vacuum flask cap is durable and long-lasting, abrasion-resistant, corrosion-resistant and not easy to be damaged. Portable: This thermal bottle lid is small and lightweight, won't take much space, so you can easily carry or store it when going out. Specification: Material: Plastic. Color: Show as picture. Bottle mouth interior diameter: Approx. 4.5cm/1.77 inch. Note: There might be a bit of color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Vacuum Bottle Cap.