Hydro Flask 40 oz Wide Mouth is a large, insulated drinking bottle in stainless steel with a wide opening and Flex Cap, designed for long days when you want plenty to drink. TempShield double-wall vacuum insulation keeps cold drinks cold for up to 24 hours and warm drinks warm for up to 12 hours. The wide opening makes it easy to refill, add ice cubes, and connect to most hiking water filters.

The Flex Cap lid is leakproof when closed and has a flexible carry loop for easy carrying. The bottle is made from pro-grade 18/8 steel, delivering a clean taste with no lingering flavour from previous drinks. The exterior features Color Last powder coat for a good grip. The lid is interchangeable with Hydro Flask's straw and Flex Sip lids for wide mouth bottles.

Technical specifications: Volume: 1183 ml (40 oz) | Material: 18/8 stainless steel (pro-grade) | Insulation: TempShield double-wall vacuum | Lid: Flex Cap with flexible carry loop | Opening: Wide mouth | Exterior: Color Last powder coat | Dimensions: approx. Ø 9.1 cm × H 28.4 cm | Weight: approx. 500 g | BPA-free | Dishwasher safe