I believe a 48 is a size 2x Provides shaping, smoothing and support exclusively for your curves®. This firm control tank lifts and shapes the bust while also slimming the tummy and waist. It has a double-ply construction for a powerful hold that is also smooth under clothing. Curve hugging yet comfortable fit Sleek satin for a feminine feel Double ply for firm control Firm Control Wear comfortably over any bra Scoop neckline lifts and shapes bust Slims tummy and waist High back for ultimate support Wide, lightly padded comfort straps Reinforced front and back panels No-roll hem 20¼" long from shoulder Nylon/spandex double ply satin Tagfree Machine wash; imported