There's no messing around with hydration. Drink on the go, thanks to this screw-on cap with integrated, adjustable length straw and a high-flow valve. Go fast, not thirsty. Save precious time and energy with the Salomon Soft Flask Speed Straw. This straw extends your Salomon Soft Flask Speed by 12 inches, so you can leave your flask in your pack and drink with minimal wasted effort. Soft bite-and-pull valve with high flow rate that is easy on the teeth, leak-proof Rocket Valve cap opens and closes with quarter turn for fast refills. Material: PVC free BPA. Material: Mesh, Nylon.