Ninja Labs has introduced a magnetic storage pouch for smartphones that pairs with wireless chargers and other magnetic accessories. The MagSafe Flex Pouch is designed to attach to the back of a device, where it can hold items far larger than the thin cards a typical magnetic wallet accommodates. The accessory is aimed at phone owners who want to carry small personal items on their handsets.

The pouch is made from silicone that stretches considerably, allowing it to expand around whatever is placed inside. Ninja Labs lists a wide range of possible contents on its website for the $58 accessory. Those suggestions include credit, debit, membership, loyalty and ID cards, as well as a car key fob, wireless earbuds, lip balm, gum, snacks, makeup, loose change and a roll of cash.

Because the silicone stretches, the Flex Pouch takes the shape of the objects stuffed into it. The material also has a naturally grippy surface, which the company says helps keep contents from falling out when the pouch is not overfilled. The accessory is positioned as a higher-capacity alternative to the magnetic wallets already sold for phones that support wireless charging and magnetic attachments.

Buyers who prefer a different look can choose from several finishes. The pouch comes in translucent silicone as well as opaque colors that include black, pink, blue and lavender. Ninja Labs also offers a version with a rainbow sparkly finish.

The product adds to the growing category of magnetic accessories built for phones that work with wireless chargers. Such add-ons attach to the back of a handset and are marketed as a way to expand what a phone can carry. The Flex Pouch competes on capacity rather than on the slim profile typical of magnetic cardholders.

The pouch does not increase a phone's internal storage, so it offers no help to users who have run out of space for apps, photos and videos. Its capacity is limited to physical items placed inside the stretchy silicone body. Ninja Labs sells the accessory through its website, where it also publishes the usage suggestions.

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