This replacement lid provides a reliable leak proof seal with silicone gaskets at each opening, plus a leak-proof nozzle and screw lid for a secure fit. Fits most wide-mouth bottles with a 2.28 inch diameter opening and is ideal for 14 oz, 18 oz, 40 oz, and 64 oz sizes, featuring a convenient wide neck design. The lid can be easily converted to a narrow mouth for a spill-free drinking experience, making it convenient to sip on the go. Designed for convenient transport, it fits most standard water bottles and includes a large ring handle. It is built to withstand beverages without breaking or deforming. Practical use scenarios: - Gym or workouts: quick, one-handed sipping between sets. - Outdoor activities: hiking or travel where spill-free operation is beneficial. - Office or commuting: switch between a wide pour and a narrow sip for daily use.