Wide Mouth Flex Sip Lid, Hydro Flask

Insulated, flexible, and built to last. It's easy to stay hydrated on the go with the Wide Mouth Flex Cap. Designed with stainless steel pivots and a flexible strap, this cap moves when you do. Plus, it’s made with Honeycomb Insulation™ to keep drinks cold up to 24 hours or hot up to 12, no matter what the weather’s doing outside. SPECS: Compatible with all Wide Mouth bottles Honeycomb Insulation™ helps keep cold drinks cold and hot drinks hot Durable, stainless steel pivots allow the strap to move easily BPA-Free and Phthalate-Free Lifetime Warranty MPN CFX001