Hydration on the go just got easier with our leakproof, insulated Flex Straw Cap. Add it to your favourite Standard Mouth Hydro Flask bottle to easily enjoy cold hydration anywhere.

Make a difference

• BPA Free
• Toxin Free
• Replaceable part to reduce waste

Features

• Fits all Hydro Flask standard mouth bottles
• Flex strap for easy transport
• Leakproof when closed
• Honeycomb Insulared cap for maximum temperature retention
• Lifetime warranty
• Dishwasher safe

About

Founded in 2009 in Bend, Oregon, Hydro Flask is the award-winning leader in high-performance insulated products.Inspiring an active and joyful life on the go, Hydro Flask innovations showcase TempShield double-wall vacuum insulation to lock in temperature, 18/8 stainless steel ensuring pure taste, durability and ergonomic design.