Convertible Face Mask with Adjustable Strap Length

The problem

Buyers who supply face masks to workers or consumers often need to stock separate ear-loop, headband and neckband models because people have different comfort preferences and workplace rules. Managing three SKUs for the same filtration panel raises inventory costs and complicates ordering. In addition, fixed-length straps leave some users with a loose fit while others find them too tight, since the distance between ears or around the head varies widely. A single mask that adapts to multiple wearing styles and lengths removes the need for parallel inventories and lets each wearer dial in the tension.

The solution

The mask solves this with one body and one continuous elastic strap.

1. The mask body (1) carries two first flaps (11) on its left and right sides and two second flaps (12) on its lower left and lower right sides. Each flap folds from the inside to the outside, and its end is fixedly connected to the body, leaving a channel underneath.
2. The strap (2) consists of a lace elastic belt body (21). At each end sits a connecting device (22), specifically a mushroom buckle connecting device (220) that has a mushroom-shaped protrusion (221) on one end and a button hole (222) on the other.
3. In the middle of the elastic belt body is a length adjustment mechanism: a sliding adjustment piece (23) sleeved on the belt and a limit knot (24) tied from the belt material itself at the lower end of the adjustment piece.
4. To wear as a headband, the two mushroom buckle devices pass upward through the two first channels, and the protrusion of one snaps into the button hole of the other above the head.
5. To wear as a neckband, the strap routes through the second channels below the mask and connects behind the neck.
6. To wear as an earband, the strap loops around each ear using the side channels and buckles back on itself.

Who it is for

• PPE wholesalers and distributors who want to reduce the number of mask SKUs they warehouse while still offering customers a choice of wearing styles.
• Janitorial and facility management suppliers outfitting cleaning crews where some workers prefer headbands to avoid interfering with safety glasses, while others favor ear-loops for speed.
• Retail brands selling to consumers who need a single product listing online that satisfies shoppers looking for either over-the-head or behind-the-ear masks.
• Promotional product companies printing custom logos on masks for events, where attendees have varied fit preferences but the organizer orders one item.

How it works

The main parts

Operating steps

1. Thread the strap through the desired pair of channels on the mask body. For a headband, use the first flaps (11); for a neckband, use the second flaps (12).
2. Pull the elastic belt body (21) until the mask sits against the face.
3. Slide the adjustment piece (23) along the belt to shorten or lengthen the loop. The limit knot (24) prevents the slider from passing the center point.
4. Connect the ends by pressing the mushroom-shaped protrusion (221) of one buckle into the button hole (222) of the other.
5. To change styles, disconnect the buckles, pull the strap out of the current channels, re-thread through the alternate flaps, and reconnect.

Applications

Warehouse and logistics shifts

Workers in distribution centers wear masks for entire shifts and switch tasks frequently. Some prefer a headband style so the strap does not interfere with headset bands, while others choose ear-loops for quick removal during breaks. A single convertible mask lets supervisors issue one item per worker instead of sorting requests by style.

Retail store employees

Staff interacting with customers need a neat appearance and may wear glasses. Routing the strap through the lower second flaps creates a neckband that keeps pressure off the ears and avoids pushing eyeglass arms outward. When the shift ends, the employee can unclip the mushroom buckle in seconds.

Event and trade-show giveaways

Organizers ordering branded masks for attendees face unknown fit preferences across hundreds of recipients. Supplying a convertible mask means every attendee can adjust the length via the sliding piece and pick the wearing mode that suits their face shape, reducing complaints and waste.

Food processing facilities

Personnel moving between production zones often follow hygiene protocols that specify over-the-head straps to prevent loose loops from contacting surfaces. The first-flap headband configuration meets that requirement, while the same mask can be reconfigured for office staff in the same facility who prefer ear-loops.

Where it is less suitable

• Surgical and sterile clinical environments where tie-on gauze masks or specific medical-grade fastening standards are mandated by hospital protocol.
• Respirator-class applications requiring a certified negative-pressure seal test, since the patent describes the mechanical strap arrangement rather than filtration performance levels.
• High-speed automated dispensing where machines expect a fixed geometry of pre-formed ear-loops for robotic placement.