The ThermoFlask 40oz Stainless Steel Water Bottle 2-Pack includes two insulated bottles with four interchangeable lids featuring both chug-style and sip-style options. Each bottle holds 40 ounces (1.1 liters) and is constructed from 18/8 food grade stainless steel with double-wall vacuum insulation.

The bottles keep beverages ice cold for up to 24 hours or piping hot for up to 12 hours while remaining sweat-free on the exterior. Each bottle features an attached loop handle for easy carrying and transport, plus an integrated bumper to protect against dings and scratches. The wide mouth opening accommodates ice cubes and makes cleaning effortless.

Key features include dishwasher safe construction with easy clean removable gaskets, BPA-free materials, leak-proof lids, and a durable powder coat finish. The universal lids fit all wide mouth ThermoFlask bottles (14oz-64oz). The package includes two 40oz insulated stainless steel water bottles with straw lids and spout lids. Backed by a limited lifetime warranty for guaranteed durability and quality.