Features: Keep your water bottles leakfrees with our bottle seal replacements. Designes for easy installation and durability, these replacement part perfect for everyday use. Suitable for student, professional, and anyone who need a secure fittings for their water bottles. These seal rings providing a tight seal and addings style to your favorite water bottles. Enhances your water bottles experience with these replacement seal rings. Specifications: Seal Rings Diameter:Approx.5.88cm/2.31inch Silicone Plug:Approx. 3.7x4.3cm/1.45x1.69inch Quantity:4/6pcs Package Includes: 1 Set Water Bottles Lid Gasket note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.Package Includes: