Features 1. Convenient to Use: Straw lid with handle perfectly fits your hydroflask, easy to carry with handle. Soft nozzle straw lid comfortable to sip, easily open and close, smooth flow from straw mouthpiece to meet your daily hydration on the go. 2. Smart And Hassle Free Design: Designed with stainless steel pivots and a flexible that will provide hands-free carrying and more comfortable; Hassle-free design let you enjoy the favorite drink while driving or running, no need to unscrew the straw cap lid. 3. Vacuum Insulation Leak Proof: Vacuum insulation keeps drinks hot or cold. No more accidental drips that damp your bag or wet your books. Once you closed our straw lid properly, you can rest assured that it will not leak even laying down in your backpack. 4. Accessories: Straw lid, with brushes, and straw, cut it to fit your bottle. Trim straw to fit your hydroflask standard mouth bottle. 5. BPA-Free: Made of high-quality BPA-FREE materials, never affect the taste of your beverage. You can trust it for your daily cold and hot beverage intakes. Specification Material: PP Color: Black Caliber: 42.9-43.1mm Package Include: 2 x Straw Lid