This is a brand new, never been used Hydro Flask Wide Mouth Flex Straw Cap w/ Straw in Black. It came with a Hydro Flask bottle I just purchased, but I prefer to use the Standard Wide Mouth Caps so I am selling this one! *The 1st photo is for model purposes only. Photos 2-6 are photos of the actual cap I am selling.* From the Hydro Flask Website: Flip and sip. Hydration on the go just got easier with the leakproof, insulated Flex Straw Cap. Add it to your favorite Wide Mouth Hydro Flask bottle to easily enjoy cold hydration anywhere. Leakproof when closed Straw is easy to trim to fit your favorite Hydro Flask Flex Strap is easy to transport and comfortable to carry Insulated for maximum temperature retention Removable components for easy cleaning BPA-Free Dishwasher safe Not intended for use with hot liquids *Smoke-free & pet-free home!