The phrase "a pair of flexible" is correct and usable in written English.
It can be used when describing two items that are adaptable or can bend easily, often in contexts related to clothing, materials, or tools.
Example: "I bought a pair of flexible shoes that are perfect for running."
Alternatives: "a couple of adaptable" or "two flexible items".
After Mr. Bowler opened the display case, he said, the man ordered him into a corner and tied his hands with a pair of flexible plastic handcuffs.
The machine had a single, universal mold, with an adjustable metal ring — like a tiny springform cake pan — between a pair of flexible membranes, whose degree of convexity or concavity could be controlled by a simple hydraulic system.
On the other hand, a pair of flexible poly-l-lysine helices slightly melt upon approaching each other.
It's aiming to build a pair of flexible, finger-sensing gloves that are designed to be worn in conjunction with a VR headset, allowing gamers to view and manipulate their hands and fingers within virtual environments.
Each subject wore a pair of flexible neoprene shorts that included a kayak-style spray skirt and a zipper attached to the aperture allowing for an airtight seal around the waist.
ThIs articleftriginally appeared on VICE Indonesia.
It was outfitted with a pair of giant flexible appendages that could grasp and move prey toward a peculiar mouth structure consisting of armoured plates arranged in a circular pattern.
Magnetic resonance data were acquired using a 3T Achieva scanner (Philips, Best, the Netherlands) with an in-built body coil used for imaging, a 14-cm diameter surface coil for phosphorus spectroscopy, and a 10-cm diameter pair of flexible coils (Philips) for proton spectroscopy.
Cut out a pair of short lengths from flexible straws, just below the joint.
People switch devices frequently, and of course you listen to different music from day to day (to say nothing of year to year), so why shouldn't you have a pair of headphones that's as flexible as you are? Certainly you can get a good pair like the Klipsch S4s I recently reviewed, for $75 or less, which will serve you well in most circumstances (just use anything but iPod headphones, really).
Choose a pair of shoes with a soft, flexible bottom.
