Compatible Currently compatible with Hydro Flask, Klean Kanteen, Nalgene, and Simple Modern Wide Mouth Water Bottles. *Not compatible with Tal, Fnova, or FlaskCap* Durable These portable replacement lids are made with premium material rubber coating strong enough withstand the toughest outdoor climates and even prevents bite marks. Not Leak Proof While our rubber gasket stopper inside all of our lids, caps, and cups are designed to guard against and prevent leaks, they are still not leak proof. Each water bottle will screw on differently depending on the water bottle brand which can cause leaks after long periods of use. Dishwasher Safe Feel safe knowing every splash of refreshing liquid coming through your bottle, cup, mug, or iron flask is able to be washed on the top rack of a dishwasher.