Hydro Flask Standard Mouth 21 oz Custom Bottles with Flex Cap, Black Style Number:1601-91 TempShield® double-wall vacuum insulation protects

TempShield® double-wall vacuum insulation protects temperature for hours Made with 18/8 pro-grade stainless steel for durability

Iron low heat

With its classic design

cuffs and bottom hem for a secure fit Secure

This sleek durable bag helps expedite travel with a checkpoint-friendly clamshell opening strategically placed padding for added tech protection and ample room for your belongings

Hydro Flask Standard Mouth 21 oz Custom Bottles with Flex Cap, Black Style Number:1601-91 TempShield® double-wall vacuum insulation protectsYour perfect travel companion. Keep life moving with the Hydro Flask Standard Mouth With Flex Cap 21oz. It stashes easily into a small shoulder bag, your packs side pocket, or your car cup holder, and holds enough ice cold goodness to keep you going for hours without weighing you down. No wonder it's one of our bestselling water bottles. TempShield insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours. BPA