Flat Water Bottle - Slim 17oz Steel Bottle for Work Bags

In this review of the DRNK Steel Flat Water Bottle, the bottom line is simple: if you need a reusable bottle that slips into a slim work bag or small sling, this is one of the few 500ml stainless bottles designed specifically for that use. The main reason to buy is its uniquely narrow profile - at under 3 cm depth it is the slimmest reusable steel bottle the reviewer has used, making it especially handy for commuting, travel, and workplace carry where space is at a premium.

Key Features

• Slimmest design: The bottle's less-than-3 cm depth lets it fit into narrow compartments and slim purses without adding bulk.
• Food grade 304 stainless steel: Powder coated and bisphenol-free material resists rust and keeps the bottle durable for daily use.
• Spill proof cap: A safety cap attached to a silicon loop prevents loss of the cap and reduces chance of leaks when carried in bags.
• Lightweight and durable: The steel construction balances sturdiness with a weight profile that is easy to carry for commuting, gym, or hiking.
• Shark Tank visibility: The bottle's design and practicality were showcased on television, which highlights its real-world focus on workplace hydration and travel.

Who It's For

The DRNK Flat Water Bottle is ideal for commuters, office workers, and anyone who carries a slim laptop bag, document sleeve, or small sling bag and needs a reusable bottle that slots in flat. People who prefer stainless steel over plastic and want a non-toxic, powder-coated finish will appreciate the material choice and carry convenience.

It may be less appealing for users who prioritize maximum insulation for long-lasting cold retention or need very large capacity for multi-hour outdoor excursions; those buyers should look at insulated wide-body bottles with larger volume and thicker vacuum walls.

Pros & Cons

Pros

• Exceptionally portable flat profile that fits into slim bags and purses with ease.
• Durable 304 stainless steel construction with a protective powder coat that resists corrosion.
• Attached spill proof cap and silicon loop reduce cap loss and help prevent leaks while carrying.
• Well suited for daily workplace hydration, travel, and gym use.

Cons

• Cold retention receives mixed feedback; it performs well for short periods but is not marketed as a high-performance insulated bottle.
• 500ml capacity may be small for long outings or heavy activity where larger volumes are preferred.

Specifications

Capacity	500ml (17oz)
Material	Food-grade 304 stainless steel, powder coated
Depth	Less than 3 cm (slimmest profile)
Cap	Spill proof safety cap with silicon loop
Safety	Bisphenol-free, non-toxic
Use cases	Workplace, travel, hiking, gym

Our Verdict

For anyone who needs a space-saving, durable reusable bottle for daily carry, the DRNK Flat Water Bottle is a practical choice. It delivers thoughtful design in a slim steel package and is good value for commuters and office users who want a non-toxic, leak-resistant bottle that fits neatly in slim bags.

Frequently Asked Questions

Is the cap leak proof?
The bottle uses a spill proof safety cap attached to a silicon loop which helps prevent leaks and keeps the cap from getting misplaced.

Is the bottle insulated for long cold retention?
The design is stainless steel and durable but customers report mixed cold retention; it is not marketed as a high-performance insulated vacuum bottle.

Will it fit in a slim laptop or work bag?
Yes, the depth of less than 3 cm is intended so the 500ml bottle fits into narrow compartments, purses, and slim work bags.