Insulated bottles / Hydro Flask / Black insulated stainless steel bottle 21 oz
Hydro Flask · Stainless Steel · 9.4

Black insulated stainless steel bottle 21 oz

$36.95
Data updated 2026-10-19

This 21 oz black water bottle offers a sleek and professional look for daily use. Crafted from high-grade stainless steel, it utilizes advanced vacuum insulation technology to keep cold drinks chilled and hot beverages steaming for extended periods without transferring heat to the exterior.

The standard mouth design is versatile enough for adding ice cubes while remaining narrow enough for comfortable sipping. The leakproof cap ensures that your liquids stay contained, making it an ideal choice for office environments, hiking trails, or daily errands where reliability is paramount.

The durable black finish is resistant to wear and tear, maintaining its appearance over time. Its slim profile fits easily into most standard cup holders and side pockets of backpacks, providing a convenient hydration solution that does not take up excessive space in your gear.

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Black insulated stainless steel bottle 21 oz
What comes up

How it lands

From reading 8 reviews

What works

  • Keeps drinks cold 5
  • Leakproof cap 4
  • Easy to clean 3
  • Durable finish 2
  • Easy to carry 2
  • Keeps drinks hot 2
  • No condensation 2
  • Color selection 1

Trade-offs

  • Heavy when empty 2
  • Spills when overfilled 2
  • Durable finish 1
This listing

Listing facts

Brand
Hydro Flask
Specs
Black Stainless steel bottles Leakproof With a handle
Collections
Black With a handle Leakproof Stainless steel bottles
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