BYISYUE 22mm TPU silicone replacement band for Realme Watch 5/3/3 Pro and Xiaomi Watch models
Product description
If your watch strap is looking tired, feels a bit too loose, or you simply want to swap styles without buying a whole new watch, a replacement band like this BYISYUE silicone option is the practical move. It’s designed as a 22mm sport-style band, aimed at people who want a comfortable everyday strap for regular wear and training.
That said, it’s not one-size-fits-everything. The compatibility list is long, but the “not for…” detail is crucial—if you get the size or model wrong, the band won’t sit properly. So it’s worth double-checking before you commit.
At a glance
This is a silicone/TPU replacement strap with a soft, lightweight feel. The material is described as TPU, positioned as durable and suitable for day-to-day use, including workouts. It’s also marketed as being dust-resistant and waterproof, which is reassuring if you get caught out in the rain or you sweat a bit during exercise.

BYISYUE also highlights a new band closure design that’s meant to lock more securely and help prevent the watch from slipping off a loose strap. Installation is described as straightforward, with the idea that you can remove and fit it using a single button.
On the style side, you’re not limited to one look either. The band is available in multiple muted and richer colours, which can be handy if you want one strap for gym days and another for work.
What you’ll notice day to day
A TPU silicone replacement like this tends to suit people who prefer something flexible rather than rigid. On paper, that means it should sit comfortably against the wrist for longer periods—especially for all-day training or regular use.



The “sport watch” angle also makes sense if you like an understated, practical look. For example, if you’re going for a run and you don’t want to think about sweat, a strap marketed as water-resistant and dust-resistant can feel like the safer daily choice.
However, there’s one caveat: strap feel can vary depending on your wrist size and how tight you like it. Even with a more secure closure, if you prefer a very snug fit, you may need to spend a little time getting the strap length just right.
Key takeaways
The strong points here are the material choice and the closure design. The brand frames the strap as: - TPU-based silicone replacement that’s soft and lightweight - built for regular wear including training - described as dust-resistant and waterproof - designed with a closure that should lock more securely than a looser strap

What’s less clear from the information provided is how it performs under very heavy impact (think rough sports) or how long it lasts compared with higher-end silicone/metal options. So if you’re expecting “premium sport” durability, this sits more in the sensible replacement category.
Also, because this is a replacement band, you’ll want to ensure you’re matching the correct 22mm strap width and the correct watch model list.
Who it’s for
It makes sense if you want a straightforward 22mm silicone replacement to keep your smartwatch usable and comfortable. This kind of strap is particularly suited to people who: - wear their watch during training and everyday life - want a strap that’s easy to swap when the mood or outfit changes - prefer a lightweight feel rather than a heavier strap - need a strap for everyday activities like walking, cycling, or travel



It may not suit you if you’re buying for a very specific watch variant that’s not on the compatibility list, or if you’ve already confirmed a different strap width is required.
Tech specs
- Name: BYISYUE Silicone Replacement Band
- Type: Sport watch strap
- Material: TPU (silicone-style)
- Size: 22mm
- Colour: Multiple available (rich and muted colours)
Final verdict

A BYISYUE 22mm silicone replacement band is worth considering if you’re looking to refresh your Realme Watch or compatible Xiaomi Watch model strap with something soft, lightweight, and made for everyday training. The closure design and the “waterproof/dust-resistant” positioning are the parts that make it feel more than just cosmetic.
You may want to skip it if your watch model isn’t clearly included in the compatibility details—or if you’re specifically dealing with the excluded Xiaomi Watch S4 41mm variant mentioned in the description. In other words: buy it for the right 22mm fit and the right model, not as a generic strap.
Before you buy, double-check two things: that your watch model is on the compatible list, and that 22mm is the correct width for your current strap. If those line up, this looks like a practical, everyday strap refresh rather than a flashy upgrade.
Questions people often ask



Is this band compatible with Xiaomi Watch S4 41mm?
No. The description explicitly notes it is not for Xiaomi Watch S4 41mm.
What material is the strap made from?
It’s described as TPU (silicone-style) and positioned as durable, soft, and lightweight.
Is it suitable for workouts?
Yes, it’s marketed as comfortable for training and everyday wear.
Will it handle rain and dust?
The information provided says it’s dust-resistant and waterproof, which suggests it’s built for those conditions.
Can I change the strap easily?
The description says installation is direct and removal is with a single button.
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