Exllena insulated water bottle 500ml with clip – double-wall vacuum drinks bottle (grey)
Product description
What it is and why you’d want it
This Exllena insulated water bottle is a double-wall vacuum drinks bottle designed to keep temperatures stable for long enough to matter in everyday life. The promise is straightforward: cold drinks stay cold for up to 24 hours and hot drinks stay hot for up to 12 hours, thanks to its double-wall vacuum insulation.
It’s also built around portability and “bag life”. A clip/buckle is included so you can hook the bottle onto a belt or bag strap, rather than leaving it loose at the bottom of your kit. And the manufacturer says it’s 100% leakproof, which is the big one if you’ve ever had a surprise damp bag after a commute or gym session.
So, if you’re looking for an insulated stainless steel bottle for daily use (work, travel, school runs), this sits in the practical category: not a gadget, but the sort of bottle you can rely on for cold water, coffee on the move, or a hot drink during colder mornings.
Key points for buyers (the practical stuff)
The insulation claims are the headline feature, but the real-world value depends on how you use it. If you’re frequently carrying a bottle from morning to afternoon, or you want a cold drink to stay refreshing on a walk, the double-wall vacuum approach is exactly what you’d expect to pay for.

The other differentiator is portability. The included clip means you don’t just “bring a bottle” — you can attach it to your bag and grab it quickly. That’s useful if you’re moving around a lot, especially on public transport or when you’ve got trainers, a laptop bag, or a rucksack to juggle.
There’s also the safety angle: the bottle is BPA free and BPS free, and it’s made from 18/8 pro-grade stainless steel. It’s a reassuring set of points if you’re the type to check materials before you commit.
One limitation to keep in mind: insulation performance can vary a lot depending on what you pour in, the starting temperature, and how long it’s been exposed to ambient conditions. The stated times are helpful as a benchmark, but they’re not a guarantee in every scenario.
What stands out in use


In day-to-day terms, this is the kind of bottle that earns its keep when you treat it like a proper carry item.
For example: you fill it with cold water before work, clip it to your bag, and you’ve still got a drink that feels properly cold later rather than lukewarm. Or you make a hot drink in the morning, secure it on your commute, and it’s still warm around midday — not necessarily boiling-hot, but meaningfully warm compared with an uninsulated bottle.

The “tested thousands of times” leakproof claim is also the sort of reassurance that matters. Even if you don’t actively expect leaks, having a bottle that’s designed to be leakproof gives you peace of mind when it’s stored on its side, in a crowded bag, or during travel.
Tech summary
- Type: insulated stainless steel water bottle
- Capacity: 500ml
- Insulation: double-wall vacuum insulation
- Temperature retention (manufacturer claim): keeps cold drinks cold for up to 24 hours, hot drinks hot for up to 12 hours
- Materials/safety: made from 18/8 pro-grade stainless steel, BPA free and BPS free
- Portability: includes a water bottle buckle/clip to hook onto a belt or bag
- Leakproof: claimed to be 100% leakproof after testing
- Colour: grey
Pros
- Strong insulation proposition: cold up to 24 hours / hot up to 12 hours (on paper)
- 100% leakproof claim, which is crucial for bag carry
- Stainless steel build with BPA free and BPS free positioning
- Built for portability with a clip/buckle so it’s easier to carry around
- Practical everyday styling and design that’s meant to fit “almost any situation”
Not-so-convincing (or what to double-check)

A couple of things are worth thinking through before you buy.
First, the temperature retention times are impressive, but insulation can be affected by how often you open the bottle, how full it is, and the starting temperature. If you’re expecting “perfect temperature” all day no matter what, you may find it slightly different to the marketing headline.


Second, you’ll want to check whether the lid feels comfortable for your routine (how easy it is to open and pour) — the description focuses on insulation and leakproofing, but it doesn’t spell out the opening mechanism details.
Finally, while “clip on belt or bag” sounds convenient, it’s only useful if the clip suits the way you carry your items. If your bag design doesn’t allow hooking easily, that feature may feel less handy than you hoped.
How to decide if it’s the right bottle for you
It’s a good fit if you want an insulated 500ml stainless steel bottle for everyday carry and you care about keeping drinks at temperature for long stretches. It also makes sense if you’re fed up with leaks and want something more reliable for commuting, work days, school runs, and day trips.

You may want to skip it if you only need a basic bottle for occasional use, or if you prefer lighter, simpler bottles where insulation isn’t a priority. It might not be a great match if you’re sensitive to how a specific lid shape/pour feel works for you, because the provided information doesn’t describe the drinking experience in detail.
Worth considering if you’re comparing this style of insulated bottle against regular single-wall bottles: the difference is mainly about temperature retention and “no soggy bag” confidence.
Final verdict
Should you buy it?
A solid pick for anyone who wants a portable insulated bottle with a strong temperature-retention claim and a leakproof focus — especially if you’ll carry it in a bag and rely on it across the day.
It might not suit you if you’re after a super-light, no-fuss bottle for short use, or if you’re very particular about the pouring/drinking mechanism and want more details before committing.



If you prioritise insulation performance (cold for long stretches, hot for shorter ones) and bag-ready confidence, this Exllena 500ml vacuum bottle is exactly the type of bottle that makes sense.
Quick FAQ
Is it suitable for both hot and cold drinks?
Yes. The manufacturer states it keeps cold drinks cold for up to 24 hours and hot drinks hot for up to 12 hours.
Is it BPA free?
It’s positioned as BPA free and BPS free.

Does it leak?
The description claims it’s 100% leakproof, tested thousands of times.
Does it come with a clip?
Yes, it includes a water bottle buckle/clip so you can hook it onto a belt or bag.
What material is the bottle made from?
It’s made from 18/8 pro-grade stainless steel.
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