Guardmax Jersey Knitted Full Zippered Mattress Encasement Protector (Waterproof & Bed Bug Proof) – Full Coverage, Soft & Noiseless
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Product description
If your main goal is peace of mind—especially around bed bugs—you’ll likely appreciate what the Guardmax Jersey Knitted Full Zippered Mattress Encasement is trying to do. It’s a full mattress encasement with a zipper that covers the bed completely, paired with water-resistant protection and a fabric feel described as comfortable, soft, and noiseless.
That combo can be a smart “set it and forget it” approach when you want your mattress to stay protected day after day. Still, it’s worth keeping expectations realistic: an encasement is great for protection and hygiene, but it can feel more “structured” than a thin top protector, and the fit needs to match your mattress size closely for the zipper to do its job.
Key points
This encasement is designed to block bed bugs using full coverage and a zipper closure, so there’s less chance of gaps around the mattress. It also focuses on moisture control, aiming to seal in sweat and other dampness with waterproof resistance on all sides. On top of that, the fabric is positioned as breathable and comfortable rather than hot or sweaty, plus it’s described as soft and quiet—so you’re not constantly hearing rustling at night.

In practice, the value is less about “spot protection” and more about creating a protective barrier around the entire mattress. If you’ve ever dealt with dust, grime, or worry about what’s getting into the mattress over time, this is the kind of product that tries to keep the mattress cleaner with less day-to-day maintenance.
What it’s for (and what to watch)
A full zipper encasement is especially relevant if you want strong coverage on the mattress surface and sides. It’s also framed as useful for kids’ households and for situations where accidents happen overnight, since the fabric is presented as waterproof-resistant and the encasement can be removed for washing.
You may want to think twice if you’re shopping casually for a super-light, barely-there layer. This is built as an encasement. That typically means more material and more commitment: once you zip it up, you’re treating it like part of the bed setup.



Also, because the protection depends on coverage, double-check sizing and thickness before buying. The listing indicates dimensions of 54 x 75 x 12, so if your mattress is outside that range, it may not fit as intended.
Where it stands out
The bed bug claim is built around coverage and closure: a zipper that covers completely, aiming to keep bed bugs out. Alongside that, it targets dust-related concerns by being presented as hypoallergenic and protective against dust mites, including an antibacterial positioning in the description.
On the comfort side, it’s marketed as “100% soft and noiseless,” with an ultra-plush knitted fabric feel. If you’re sensitive to crinkly protectors, that “noiseless” angle is one of the more meaningful differentiators.

And if laundry is part of your routine, the removal-and-wash claim matters: it’s described as machine washable and able to handle many wash cycles without breaking or cracking.
The essentials (tech summary)
- Type: Full zippered mattress encasement / mattress protector
- Water resistance: Waterproof-resistant protection on six sides
- Bed bug protection: Designed to be bed bug proof using full coverage zipper closure
- Dust mite & hypoallergenic: Listed as dust mite proof, hypoallergenic, and antibacterial
- Fabric feel: Jersey knitted, described as soft and noiseless
- Care: Machine washable and machine dryable
- Size / dimensions: 54 x 75 x 12
Getting the most from it



Installation is the moment where encasements can either feel effortless or annoying. Based on the “easy to put on and take off for washing” wording, the intention is that you’ll be able to zip it up, then later remove it when it’s time to clean.
A realistic example: after you change your sheets, you’d zip the encasement over the mattress completely, then run your hands lightly along the edges to confirm it’s settled and covered as intended. If the mattress fits the listed size, you’ll typically get a more consistent barrier around the top and sides.
One limitation to keep in mind: if your mattress thickness or measurements don’t align, the zipper area may not sit the way you want. And while “breathable” is mentioned, any full encasement can still feel warmer than a very thin protector—so if heat retention is a big concern for you, it’s worth considering your personal comfort preferences.
Is it worth it?

Buy it if you want a mattress protector that focuses on full encasement protection—especially for bed bug worry—while also adding moisture resistance for sweat and other dampness. It also makes sense if you care about dust-mite style allergy concerns and prefer a soft, quieter fabric over crinkly, noisy options.
Skip it if you need a lightweight, minimal protector layer, or if your mattress sizing doesn’t match the listed dimensions closely enough for a proper full-coverage fit. It may not be the best choice if you’re trying to avoid the extra “encasement feel” that comes with zipper-based covers.
If you’re deciding between approaches (spot protection vs. full coverage), this one leans clearly toward the full-coverage camp. Over the long run, that’s where it can feel most useful—assuming the fit is right and you’re comfortable with a zipper encasement as part of your bed.
Mini FAQ



Is this a waterproof mattress protector or a water-resistant one?
The description says it provides “waterproof” protection and is described as water-resistant while sealing moisture around the mattress.
Does it protect the whole mattress or just the top?
It’s presented as protecting the mattress on six sides, using full coverage with a zipper closure.
Is it machine washable?
Yes. The description states it can be washed and dried in a machine.
Will it help with dust mites and allergies?
It’s listed as hypoallergenic and dust mite proof, and it also mentions antibacterial protection.
Is it designed to be quiet at night?
The listing explicitly describes it as soft and noiseless, aiming to avoid that rustling sound some protectors make.
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