Zlumber® FAQs – Everything You Need to Know About Our Products

What is the Zlumber®Lock™ Sheet Holder?

A patented system featuring four durable corner pieces and sliding strips that lock fitted sheets securely onto your mattress—with a one-time installation.

Will Zlumber®Lock™ work with my mattress size or sheet type?

Yes—it's universally compatible with mattress sizes from Twin to California King, including all types of sheets (cotton, flannel, microfiber, jersey, luxury linens, etc.).

How do I install Zlumber®Lock™, and how difficult is it?

Installation is intended to be quick—often just once—and then remains in place even when changing sheets. However, some users (e.g., those with limited hand strength) may find aligning and sliding the locking strip a bit tricky.

Can I feel the Zlumber®Lock™ while sleeping?

No—once installed and covered with your fitted sheet, it's designed to be undetectable and not disturb sleep comfort.

How durable and effective is it?

Constructed from heavy-duty ABS or polycarbonate plastic, it delivers long-lasting performance. Users report significant reduction in sheet shifting—even with aggressive sleepers.

Do users actually find it helpful?

Absolutely. Across Amazon, reviews are overwhelmingly positive — 4.7 stars from thousands of reviewers. Many describe it as a true game-changer for keeping sheets in place.

What’s the return policy or warranty like?

Check out our Return Policy and Warranty details.

Why is Zlumber®Lock™ more expensive than other bed locks?

Zlumber®Lock™ costs more because it's not just a clip - it's a durable, patented system designed for convenience and lasting performance. For users who value that experience and want to avoid frequent re-adjustments, the investment may feel worthwhile.

Does Zlumber®Lock™ work with deep-pocket or extra-thick mattresses?

Yes. Zlumber®Lock™ is designed to accommodate standard and deep-pocket mattresses, including memory foam and pillow-top models up to 18–22 inches thick. If your sheets tend to slip due to mattress depth, Zlumber®Lock™ is ideal.

Is it reusable if I move or get a new mattress?

Yes. You can uninstall and reinstall the Zlumber®Lock™ system on a new mattress. Just be sure to remove it carefully to avoid damage to the corner units or strips.

Can I wash my fitted sheet normally with Zlumber®Lock™ installed?

You can remove the sheet as usual and wash it. The lock stays on the mattress and doesn’t interfere with laundering. Just slide the locking strips off before removing your sheets.

Does it work with mattress protectors or toppers?

Yes. It works even with a mattress protector or thin topper in place. However, thick foam or featherbed toppers may slightly reduce the lock's grip—tight-fitting sheets help in such cases.

Will Zlumber®Lock™ work on dorm beds?

Yes, Zlumber®Lock™ is a perfect addition to any dorm bed as many dorm mattresses or mattress protectors are slick causing the sheets to slip off easily.

Is it available locally or only online?

Zlumber®Lock™ is primarily sold online through Amazon and on the official website.

How long does it take to install Zlumber®Lock™?

The first-time setup usually takes 5–10 minutes. Once installed, changing sheets is quick since the base remains in place—you only need to slide the strips on/off.

If I change my bedsheets frequently, will that affect the Zlumber®Lock’s performance or durability?

No, changing your bedsheets often will not negatively impact the performance or durability of the Zlumber®Lock™ system. It’s specifically designed for frequent use. Once installed, the corner holders stay in place permanently, and you only need to slide the locking strips on and off when changing sheets. As long as you follow the proper method for sliding the strips in and out, the system remains secure and effective over time—even with regular sheet changes.

What is included in the Zlumber®Lock™ package?

Each standard package includes:

4 corner holders (1 for each mattress corner)
4 locking strips
Installation instructions

Some bundles may include extras like spare strip or other accessories—check your retailer’s listing.

Does Zlumber®Lock™ provide any deals if a customer buys more than 1 package?

No, not yet.

Does Zlumber®Lock™ come in different colors or sizes?

Zlumber®Lock™ come in one universal size and in white.

What happens if a part breaks or wears out—can I get a replacement?

Some retailers offer replacement parts or partial sets. If not, you may need to purchase a new set. Check with your original seller for return/replacement policies.