The Hydro Flask Wide-Mouth Flex Straw Lid boasts high flow to quench your thirst, and durability to withstand the most tenacious teeth. A flexible strap makes it easy to carry when you're on the go.

• Designed with stainless-steel pivots and a flexible strap, this lid moves when you do
• Made of durable, BPA-free polypropylene PP#5, it's top-rack dishwasher safe
• Compatible with all newer styles of Hydro Flask wide-mouth bottles 
• Durable rubber straw with high flow rate
• Straw cut guide: Trim 2.5 in. off the straw for the 18 fl. oz. bottle, 1.5 in. for the 32 fl. oz. bottle, and just a hair for the 64 fl. oz. bottle
• Please note: The Wide-Mouth Straw Flex Lid is not leakproof