The phrase "a staggering selection of" is correct and usable in written English.
It can be used to describe an impressive or overwhelming variety of items or options available in a particular context.
Example: "The bookstore offers a staggering selection of novels, ranging from classic literature to contemporary bestsellers."
Alternatives: "an impressive array of" or "a remarkable variety of".
It serves the best local Welsh lamb and its bar has a staggering selection of gins".
There is a staggering selection of every collecting category from old masters to textiles, jewelry and contemporary art.
The picnic ingredients, bought from La Chaumière, a grocery with a staggering selection of cheeses, dried meats and local wines, amounted to just 26 francs.
High-ceilinged HaTraklin (No. 41) looks like a Paris bistro crossed with a Greenwich Village cafe, and has a staggering selection of Israeli wine.
CaratLane offers a staggering selection of more than 100,000 loose diamonds, whose prices are set by an algorithm that takes into account things such as clarity and cut.
While at this "church" "gift shop," you can browse through super typical holy items such as braided sweetgrass and orgonite, along with a staggering selection of oils, crystals, and herbs.
They find great bargains -- their favorite prescription drugs cost up to 80percentt more in the United States -- and a staggering selection.
When Grainger moved to the Web, its already staggering selection of products more than doubled.
The staggering selection of men's, women's and children's "rain-friendly" boots and shoes at Harry's Shoes in Manhattan (83rd Street and Broadway, 212-874-2035) is not exclusive to New Yorkers; the store has a comprehensive online shopping site (www.harrys-shoes.com).
The record will be for its staggering selection of 366 beers - all on draught from individual taps.
Vertebrate animals evolved these three gene families through birth-and-death evolution of repeated duplication and mutation, in conjunction with positive selection, to remove a staggering number of different foreign antigens in a highly specific fashion [ 11, 19].
