
Paravalve High Performance Straw Lid for Hydro Flask and Nalgene water bottles, Leak-proof, Insulated, BPA Free, Wide Mouth, Shaka Handle - (For 8 piece(s))
About this item This fits your . Make sure this fits by entering your model number. 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 li