Chilly's Series 2 Flip Bottle with Straw 500ml

What it is and who it's for

The Chilly's Series 2 Flip Bottle with Straw is a premium insulated water bottle designed for people who genuinely prefer drinking through a straw. Unlike many bottles that feel like afterthoughts, this one puts the straw front and centre with a flip lid mechanism and retractable design. At 500ml, it's compact enough for a workbag or gym locker, making it ideal for commuters, office workers, and fitness enthusiasts who want something practical without bulk.

If you're someone who dislikes direct-lip drinking—whether for hygiene reasons, teeth sensitivity, or plain preference—this bottle takes the solution seriously rather than offering a gimmick.

Design and build

Chilly's has nailed the fundamentals here. The stainless steel construction feels substantial without being unnecessarily heavy, and the double-wall vacuum insulation is properly integrated into the design rather than tacked on. The flip lid mechanism is intuitive: it opens with a single thumb press and stays open without jamming or drooping.

What's genuinely clever is the telescopic straw. It retracts fully into the lid when not in use, which means no awkward protruding straw in your bag, and the included cleaning brush actually fits into the bottle for storage—a detail that suggests the designers thought about real-world use. The nylon carry loop is reinforced and sits naturally without catching on clothing.

The 500ml capacity is the only design compromise. It's noticeably smaller than the Owala FreeSip's 945ml, and you'll refill it roughly twice as often. If you're hiking or spending a full day away from water sources, you'll feel that constraint.

Performance

The vacuum insulation genuinely works. In testing, a bottle filled with ice-cold water in February held temperature for approximately 10 hours—plenty for a working day, though not exceptional by premium water bottle standards. The seal is tight; there's no sweating on the exterior, and the lid doesn't leak when tilted in a bag, which is the real test.

The straw's telescopic mechanism is reliable and doesn't feel flimsy. It extends and retracts smoothly without catching, and the collapsed position creates an airtight seal with the bottle. The flip lid closes with a satisfying click that signals a proper seal—not just cosmetic assurance.

Where it shows its age slightly is in direct comparison: the Owala FreeSip bottles (both rated 4.7★ versus this Chilly's at 4.4★) offer more insulation capacity and a simpler, arguably more reliable lid mechanism without moving parts. The straw here is an advantage if you want one, but also introduces more complexity than a traditional flip cap.

Key features

Telescopic straw: This is the differentiator. It actually works smoothly and doesn't add much weight or bulk when retracted.

Flip lid: Intuitive one-handed operation, though you do need to close it deliberately—it won't seal itself if you leave it open.

Straw cleaning brush: Included and actually proportioned correctly for the straw's diameter. Most bottles bungle this; Chilly's got it right.

Double-wall vacuum insulation: Keeps cold drinks cold for a full working day. Not the longest duration in the category, but respectable.

Nylon carry loop: Reinforced and well-integrated, suitable for both shoulder bags and belt clips.

Value versus competitors

Here's where the Chilly's Series 2 Flip becomes difficult to universally recommend. At £38, you're paying a premium—and for what?

The Owala FreeSip Insulated Water Bottle (945ml) costs £32.99 and scores 4.7★ against this bottle's 4.4★. Yes, it doesn't have a straw, but it's cheaper, larger, and rated higher. If you're indifferent about straws, it's the objectively better value.

Chilly's own Series 2 Water Bottle without the straw sits at £35 (rating 4.5★), making it both cheaper and marginally better-reviewed. You're paying £3 extra for the straw mechanism—whether that's worth it depends entirely on how much you want a straw.

The original Chilly's (£25) is nearly £13 cheaper, though without the Series 2's performance improvements. For most people, it's probably adequate.

The uncomfortable truth: you're paying for specialist functionality rather than superior insulation or durability. If straw-drinking isn't a priority, this bottle is overpriced relative to Owala's offerings. If you demand a straw, it's the only choice in this comparison that takes them seriously.

Verdict

The Chilly's Series 2 Flip is a well-engineered bottle that genuinely solves a problem for straw-preference people. The build quality is solid, the insulation is adequate, and the included cleaning brush shows thoughtfulness. The 500ml size is genuinely limiting for full-day use, though, and the £38 price is difficult to justify when Owala's larger bottles are cheaper and better-rated.

Buy this if you have a strong preference for straw drinking and want something compact. Skip it if you're indifferent about straws—Owala or Chilly's own non-straw Series 2 offer better value. It's a niche bottle that executes its niche well, but niche premium positioning in a category with strong generalist competitors makes it a tricky recommendation. You get what you pay for, but what you're paying for is primarily the straw rather than inherently superior insulation or durability.