3Pcs Silicone Seal Rings, O-Ring Food Grade Gasket Ring, for Thermal Cup/Vacuum Bottle/Mug Cover (Type C)

3pcs food grade silicone O-ring bottle lid gaskets replacement leak-proof seal rings for vacuum cups water bottles. Made of food grade silicone material, heat resistance, non-toxic, not easy to break or aging. 3 sizes to choose from. Type A: Outer Diameter: 2.2''/5.7cm; Inner Diameter: 1.8''/4.6cm; Thickness: 0.1''/0.26cm; Type B: Outer Diameter: 2.6''/6.5cm; Inner Diameter: 2.2''/5.5cm; Thickness: 0.1''/0.26cm; Type C: Outer Diameter: 3.0''/7.5cm; Inner Diameter: 2.6''/6.5cm; Thickness: 0.1''/0.26cm. O-ring design with good elastic, easy to install and replace. Please confirm the size before placing an order. The removable sealing gasket is embedded in the middle of the cup lids for seal, providing a good closure and air-tight seal. Single part is convenient to replace your old or damage.