Perfect Insulation: Compared to the traditional straw lid, our spout lid is more insulated, leakproof, and dustproof. The rubber stopper allows the water bottle to be easily locked in temperature, providing a longer-lasting insulation effect so that you can enjoy cold drinks in hot summer. Push-Button Lid - just press once, and the lid flips up to reveal the pour spout. Kindly Note: Please just make sure to turn off the button lock after you’re done drinking to prevent a leak. Multiple Compatibility - Suitable for most of 12 oz, 20 oz, 24 oz, 32 oz, 40 oz, and 64 oz most of wide-mouth water bottles of different brands. LEAK PROOF - Secure locking of wide mouth lid tested strictly to hold every drop inside the bottle so that you can carry your bottle in a backpack, purse, or bag. EASY DRINKING - Top cover is fixed elaborately and will not bump against your nose while drinking. Drinking spout allows for a generous flow of water without having to suck too hard. Due to the