Description

Built for easy-carry comfort and portability, the insulated Hydro Flask Standard-Mouth Flex Cap is made to last on any standard-mouth Hydro Flask water bottle.

Features

• Recyclable polypropylene #5 is BPA-free, phthalate-free and toxin-free
• Honeycomb Insulation™ inside cap adds additional temperature control
• Soft, flexible thermoplastic urethane (TPU) strap has stainless steel pivots