Universal Flask Stopper 37mm - Leak-Proof, Push-Button

This universal 37mm flask stopper is the ideal solution to make your favorite thermos work like new again. Forget about leaks and difficulties with pouring – our stopper will provide you with comfort and reliability in every situation.

• 37mm Diameter: perfectly fits most standard thermoses and thermal bottles available on the market.
• Push-Button Mechanism: allows for easy and quick pouring of beverages with one hand, without the need to unscrew the stopper.
• 100% Leak-Proof: made of high-quality PP plastic with a silicone seal, effectively prevents any leaks.
• Durable and Safe: food-grade materials, resistant to damage and easy to clean.

Ensure comfort and safety during every trip or excursion. This replacement thermos stopper is a small thing that makes a big difference, restoring full functionality to your outdoor gear.