The phrase "a pair of slender" is correct and usable in written English.
It can be used to describe two items that are thin or narrow in shape, often referring to physical objects or features.
Example: "She wore a pair of slender heels that accentuated her height."
Alternatives: "a couple of slim" or "two slender".
The theme was India — but not on the hippie trail, unless you count a pair of slender dresses in bright patchwork or backpacks bursting with suede fringing.
That pattern frames a central diptych picturing a pair of slender female figures in filmy dresses resembling pagan priestesses, also made of intricately inlaid veneers.
Commissioned by Marshall's mother, the monument shows a pair of slender hands "emerging from a cloud and holding a star," according to the exhibition catalogue.
A pair of slender dresses in white or black mesh — quite a trend in this Milan season — seemed a more convincing meld of glamour and sport.
Near the rear of the abdomen are a pair of slender, elongated tubes known as cornicles or siphunculi.
It is additionally characterized by a short head and snout with a pair of slender barbels that do not reach the mouth, and two dorsal fins that are placed far back on the body.
There are a pair of long, slender barbels in front of the nostrils.
From opposite sides of the body extends a pair of long, slender tentacles, each housed in a sheath into which it can be withdrawn.
More subtly attractive is a pair of Baule figures, slender and grave, meant to seduce the nature spirits who are fonts of transcendent knowledge.
Following Sam's logic, were a purple sandpiper or even a breeding pair of slender-billed curlews to turn up in his back garden, he'd not only blank Bill Oddie but would probably bar him from the patio and tell him and his twitcher crew to hop it.
In one photograph, a pair of long black gloves stretches slender fingers outwards, grasping and ghostly.
