The phrase "a wider selection and" is correct and usable in written English.
It can be used when discussing the availability of more options or choices in a particular context, often in marketing or product descriptions.
Example: "Our new store offers a wider selection and better prices than ever before."
Alternatives: "a broader range and" or "more options and".
It enhances their shopping experience that there's a wider selection and the aisles are larger".
Buyers want a wider selection, and sellers want more exposure for their auctions so they can get the highest price".
Her gallery expanded to offer a wider selection and moved to a more prominent location on popular 6th Street becoming easier to find for locals and tourists alike, easier to see from the road boosting foot traffic and drop-ins.
Pet stores counter that they offer a wider selection and more knowledgeable employees.
A block farther east and one block south is Half-Moon Books (7 Pearl Street; 413-586-3988), a used bookstore with a wide selection and some interesting old collections.
From a tiny discount store in Rogers, Ark., that Sam Walton opened in 1962, Wal-Mart grew into a major force in retailing, transforming American customers into discount shoppers who expect a wide selection and friendly service.
They sell only previously used books, but they have a wide selection (and many are barely used).
When you go to buy pointe shoes, you should have a wide selection and try on many different shoes, including different pairs of the same shoe.
Thousands of new jobs have been created in these industries and consumers benefit from lower prices, better quality and a wider selection of products and services.
The new standards are meant to offer less sodium, more whole grains and a wider selection of fruits and vegetables to the 32 million schoolchildren who participate in the National School Lunch and Breakfast programs.
The Airport Wireless stores offer a wider selection of equipment and accessories than TechShowcase.
