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• HIGH FLOW/LOW EFFORT: The patented Paravalve dual ball valve offers high flow with minimal suction effort due to the wide water path and unrestricted air path. It’s so effortless that most people find they drink more water. The open air path makes it completely SILENT while drinking.
• LEAK PROOF: With the spout closed, the air and water path each have their own dedicated seal, making it completely leak-proof. UNBREAKABLE RUBBER HANDLE: Our new 2.0 design has an unbreakable rubber handle, which was a weak point in the previous design.
• SMART VENT: Move the spout from the closed position to halfway open to depressurize the bottle and prevent blowback up the straw. The smart vent makes it the only straw lid suitable for use with CARBONATED BEVERAGES - just pour your drink into a vaccum insulated bottle with your preferred amount of ice and screw on the Paravalve lid; as long as you keep the spout closed when not drinking, you'll KEEP THE FIZZ AND THE ICE!
• ICE LASTS LONGER: Our lid is INSULATED to help maintain the temperature of your beverage and minimizing condensation which can soak your belongings. A vacuum insulated bottle deserves an insulated lid. Safe for liquids up to 140 degrees F. (60 degrees Celsius).
• Includes 2 STRAWS and 1 STRAW CLEANING BRUSH. Straws are 260mm (10.24”),perfect for the very tall Nalgene Silo 48 oz bottle, and long enough for all Hydro Flask bottles. It must be cut to length for your bottle - simple instructions provided on the packaging. The solid spout is easy to clean - No rubberized spout to get chewed up or degrade. The spout is removeable for deep cleaning. Top rack dishwasher safe. The lid is made from BPA Free polypropylene, and the straws are BPA Free HDPE.