Hydration on the go just got easier with the leak-resistance, insulated flex straw cap. Add it to your favorite wide mouth Hydro Flask bottle to easily enjoy cold hydration anywhere....

Hydration on the go just got easier with the leak-resistance, insulated flex straw cap. Add it to your favorite wide mouth Hydro Flask bottle to easily enjoy cold hydration anywhere....

Hydration on the go just got easier with the leak-resistance, insulated flex straw cap. Add it to your favorite wide mouth Hydro Flask bottle to easily enjoy cold hydration anywhere....

Hydration on the go just got easier with the leak-resistance, insulated flex straw cap. Add it to your favorite wide mouth Hydro Flask bottle to easily enjoy cold hydration anywhere....

Hydration on the go just got easier with the leak-resistance, insulated flex straw cap. Add it to your favorite wide mouth Hydro Flask bottle to easily enjoy cold hydration anywhere....

Hydration on the go just got easier with the leak-resistance, insulated flex straw cap. Add it to your favorite wide mouth Hydro Flask bottle to easily enjoy cold hydration anywhere....

Hydration on the go just got easier with the leak-resistance, insulated flex straw cap. Add it to your favorite wide mouth Hydro Flask bottle to easily enjoy cold hydration anywhere....

Hydration on the go just got easier with the leak-resistance, insulated flex straw cap. Add it to your favorite wide mouth Hydro Flask bottle to easily enjoy cold hydration anywhere....

The classic insulated bottle cap with stainless steel pivots and a flexible strap....

The new travel tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cup holders. TempShield double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip...

The classic insulated bottle cap with stainless steel pivots and a flexible strap....

The classic insulated bottle cap with stainless steel pivots and a flexible strap....

Whether your day takes you to the beach or just the backyard, the medium straw lid keeps your favorite drink at the ready and easy to sip....

The new travel tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cup holders. TempShield double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip...

The new travel tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cup holders. TempShield double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip...

Whether your day takes you to the beach or just the backyard, the medium straw lid keeps your favorite drink at the ready and easy to sip....