Party City specializes in the sale of party supplies and seasonal home decor. The store's merchandise includes products geared toward birthdays, holidays, themed parties, graduations, anniversaries, bridal showers, communions, Confirmations, Baptisms, retirement, breast cancer awareness and quinceaneras. Holiday supplies are offered for Oktoberfest, Halloween, Valentine's Day, Easter, Christmas, Kwanzaa, New Year's, Hanukkah, Thanksgiving, Chinese New Year, Mardi Gras, St.Patrick's Day, Cinco de Mayo and Day of the Dead. It offers a wide selection of Halloween costumes on a seasonal basis.

Entertaining and serving ware, including table decor, place mats, hand towels, cutlery, aluminum pans, chafing dishes and candles, are available, as is a wide selection of Latex, round and shaped balloons, along with helium services and ribbon.