KALAPOP Metal Rings 6PCS,Ultra-Thin(0.4mm)for MagSafe Sticker/Magnetic Adapter/Phone Cases/Wireless charger,Compatible with iPhone 17/Air/16/15/14/13,Galaxy S24/S23/S22/Kindle,For Mag Safe Accessories

What these rings are—and what they aren’t

Kalapop’s metal rings are ultra‑thin, adhesive-backed alignment rings that give non‑MagSafe cases and devices a ferromagnetic target for MagSafe accessories to latch onto. The important distinction: the rings themselves are not magnets. Instead, they act like a magnetic “backplate,” helping the magnets in your wallet, mount, or charger find and grip your device more securely. That small bit of metal makes a surprisingly big difference in day-to-day use.

At 0.4 mm thick, each ring is essentially a decal—thin enough not to affect how the phone sits on a flat surface or how it feels in hand. The pack includes six rings (two black, two silver, two white), an alcohol wipe, and a simple alignment guide. The variety of colors is handy; I matched silver on a clear case, black on a dark case, and saved white for a light Kindle cover.

Setup and alignment

Installation is straightforward if you take a few minutes to prep:

• I cleaned the case thoroughly with the included wipe and let it fully dry.
• I dry‑fit my MagSafe wallet/charger to find the coil center and marked light guide dots with a piece of painter’s tape.
• I used a “hinge” method: tape one edge of the ring’s paper liner to the case so I could flip, align, and press down in one motion.

The included paper guide works, but it’s sticky and can grab the ring if you’re not careful. I had better results using my accessory (wallet/charger) as the alignment reference, because every phone’s coil placement varies slightly—especially on Android devices and e‑readers.

Once down, the ring adheres with 3M tape. It’s removable with dental floss and isopropyl, but not repositionable. If it goes on crooked, you’ll need a new ring from the pack.

A note on cases: flat, hard, and smooth surfaces are ideal. These rings don’t bond well to silicone or textured/uneven finishes. If your favorite case is silicone, consider swapping to TPU or polycarbonate to use these effectively.

Compatibility and use cases

I tested across an iPhone 15 Pro, a Galaxy S23, and a Kindle Paperwhite case. In each scenario, MagSafe‑style accessories snapped on faster and held more confidently:

• Wallets and grips: The click‑in alignment felt immediate, and hold strength noticeably improved compared to the same cases without a ring.
• Car mounts: The ring transformed a non‑MagSafe case into a reliable daily driver for a magnetic vent mount—no wobble over speed bumps.
• Wireless chargers: Ring alignment made it easier to hit the charging sweet spot in the dark. On a standard Qi pad, the ring didn’t prevent charging on either phone.

You can also stick a ring on a wireless charger surface to create a “target” for devices. If you do, make sure the ring sits around—not over—the inductive coil area, and keep it centered to avoid heat buildup.

Performance and day-to-day experience

In practice, the rings do three things well:

1) Alignment: Accessories rotate into the right orientation without my fidgeting. It’s especially helpful with mounts and wallets where misalignment can compromise hold.

2) Retention: The ferromagnetic surface gives MagSafe magnets more to bite into. The difference is most obvious on non‑MagSafe cases that otherwise feel middling with magnetic accessories.

3) Bulk-free upgrade: Because they’re so thin, the rings don’t create clearance issues in car mounts or with flat chargers, and they don’t snag pockets.

I did notice that the boost in magnetic coupling can make certain accessories feel “extra locked in.” That’s a positive for mounting and commuting; it can also mean you’ll use two hands to pop off a wallet or magnetic grip. For me, that tradeoff is worth it.

Build quality and finish

The metal itself is rigid and neatly cut. The inner and outer edges are slightly crisp to the finger; they won’t cut you, but they’re not rounded like an overmolded plastic ring. On cases with a soft-touch coating, I recommend pressing the ring down with the liner still on for initial placement to avoid scuffing, then removing the liner and committing.

Finish-wise, the silver hides wear best over time. Black and white looked great out of the box; after a couple of months of pocket time and accessory swaps, I started to see cosmetic scuffs on the paint, especially on the high-contact outer rim. It doesn’t affect performance, but if you’re picky about appearance, choose silver or be prepared for visible wear.

The adhesive is the quiet hero. Once bonded, it stays put—even with the torsion of popping magnets off daily. Removal with floss leaves some residue that wipes clean with isopropyl alcohol.

Wireless charging behavior

I ran repeated overnight charges on an Apple‑certified MagSafe puck, a generic Qi pad, and a magnetic stand. Charging was stable with no abnormal heat on the iPhone 15 Pro or Galaxy S23 when the ring was centered. Misalignment is your enemy here: placing the ring too low or off-axis can cause slower charging or warmth. Take the extra minute during install to mark your coil center.

If you want to stick a ring to a charger base, the same precautions apply. Clean, center, and press firmly. Only do this on a rigid plastic or metal surface—not on silicone pads.

Practical tips for a clean install

• Find center with your accessory: Gently place a MagSafe wallet or charger on the bare case, let it self-align, then mark the edges with tape as a visual guide.
• Use a hinge: Tape one side of the ring’s backing to the case. Flip, peel, align, and press in one motion.
• Apply pressure: After sticking, press around the ring for 30–60 seconds to seat the adhesive.
• Wait before heavy use: Give the adhesive an hour (or longer) before attaching strong magnets or using a car mount.
• Removing later: Slide dental floss under the ring; clean residue with isopropyl. Expect to discard the ring—adhesive won’t survive reapplication.

Where these rings shine—and where they don’t

Strong fits:
- Upgrading non‑MagSafe cases without adding bulk
- Fine-tuning magnet position on flip/hinged phones or devices where the built‑in magnet sits too low
- Car mounts, wallets, and magnetic grips that need consistent alignment
- E‑readers and tablets with flat cases that benefit from magnetic stands

Weak fits:
- Silicone or textured cases
- Users who want a pristine painted finish months later (choose silver, or consider a plastic‑overmold alternative)
- Situations where you need to reposition after install
- Anyone expecting the rings themselves to be magnets—pair them with magnetic accessories

Value

A six‑pack across three colors is excellent value. It invites experimentation—one for your daily case, one for a travel case, one for a Kindle, and spares for future devices. My only packaging nitpick: there’s a single alcohol wipe in the box. It’s enough if you plan ahead, but multiple wipes would better match the six‑ring quantity. Keep a bottle of isopropyl on hand and you’ll be fine.

Alternatives to consider

If cosmetic durability is your top priority, rings encased in plastic or TPU generally hide wear and have softer edges, but they’re thicker and can be less friendly to some chargers. Full magnetic plates (with built‑in magnets) exist too, though they add heft and can interact unpredictably with chargers and card wallets. Kalapop’s approach is the lighter-touch option: keep the accessory magnets, enhance the target.

Bottom line

Kalapop’s metal rings do exactly what I hoped: they make non‑MagSafe cases and oddball devices play nicely with the MagSafe ecosystem, without adding bulk or fuss. The adhesive is strong, alignment is easy with a bit of care, and the functional improvement is immediate. Cosmetic scuffing on the painted rings is the main downside; pick silver if you want the most durable look.

Recommendation: I recommend these rings to anyone who wants a clean, low‑profile way to improve MagSafe alignment and hold on flat, non‑silicone cases or to add a target to mounts and chargers. They’re affordable, effective, and simple to install. If you need something repositionable, plan to stick on silicone, or demand a finish that stays perfect indefinitely, look elsewhere; otherwise, this is an easy upgrade that meaningfully improves the magnetic experience across phones, e‑readers, and chargers.