J&A Fabrics is a fabric store located in Bay Ridge, Brooklyn, offering a wide range of fabrics for various sewing and upholstery needs. The store has an extensive selection, including silk, linen, cotton, wool, rayon, denim, flannel, fleece, and jersey knit for dressmaking, as well as acrylic, velvet, nylon, microsuedes, vinyl, and leather for upholstery. Additionally, they carry a variety of notions and upholstery supplies, such as buttons, batting, trims, thread, needles, and more. Customers have praised the excellent quality of the fabrics, although the selection of colors and patterns may be limited. The store is described as having a "little store and the mess," but the staff, particularly the owner's son, are friendly and helpful. Prices are considered decent compared to other fabric stores in the area. Overall, J&A Fabrics is a good place to find a wide range of fabrics and supplies, with the added benefit of having items like curtains made on-site.