The phrase "a pair of bottles" is correct and usable in written English.
You can use it when referring to two bottles that are considered together as a set.
Example: "I bought a pair of bottles for the picnic, one for water and one for juice."
Alternatives: "two bottles" or "a couple of bottles."
If you don't go home with a pair of bottle green Italian oxfords, perhaps a 1970s Pierre Cardin vase will do.
When some new neighbors arrive, Picky gets upset because one couple is a pair of ketchup bottles and the other is a pair of mustard bottles.
Symbolic of the Tasseled Loafers' hold on power was that dinner of Rep. Paul Ryan last week, in which the House budget-writer shared a pair of $350 bottles of wine with a hedge fund manager and a free-market economist.
Examples in addition to "Absolut Outrageous" include "Absolut Glaad," honoring the Gay and Lesbian Alliance Against Defamation; "Absolut Out," billboards with three-dimensional closets, the doors open; and "Absolut Commitment," a wedding cake topped by a pair of (identical) bottles.
Brian Schweitzer, a peppermint, alfalfa and cattle farmer running for the Senate in Montana, holds up a pair of pill bottles for the camera and declares, "I bet you'd be surprised to find out that veterinarians prescribe the exact same medicine for dogs, and charge half as much".
Italian furniture-maker Natuzzi supplied leather for the entirely reupholstered interior, which now includes accommodations for a pair of wine bottles, complete with miniature seat belts, between the petite rear buckets.
Björk's role requires her to be almost blind as well, wearing a pair of coke-bottle lenses that make her eyes look even tinier and piggier than usual.
Quijada, who had been wearing a pair of Coke-bottle glasses and toting a cane to compensate for a leg injury, sized up her metallic silver boots and figure-hugging bluejeans and seemed taken aback.
He's maybe 60 years old, his shoulders stooped and his skin dusty; a pair of coke bottle-glasses ride his half-nose, the other half of which was bitten off in a fight years ago.
He showed up with a pair of empty Coke bottles and won handily.
