For sale I have a used Playtex Women's 18 Hour Original Comfort Strap Bra #4693. The bra size is 54C.

18 Hour wirefree M-frame shapes you firmly yet gently.
Breathable Spanette fabric at back and sides stretches four ways for constant comfort.
Sleek side panels contour your curves for a shapelier silhouette.
Full cups provide coverage and support.
Lightly-lined to prevent show-through.
Soft, flexible lace underband provides support and custom fit.
Seamless sides for smooth look under clothes.
Unique U-back design helps keep straps in place.
Wide cushioned Original Comfort Strap bra straps are rigid in the front and tapers off to an elastic which adjusts in back and relieves shoulder strain.
Softly seamed floral cups and satiny styling add beauty.
Feminine scalloped trim.
36B = 2 Rows of Hooks
38B-40B; 36C-40C = 3 Rows of Hooks
42B-48B; 42C-54C; 34D-54D; 34DD-54DD; 38DDD-54DDD; 38G-46G = 4 Rows of Hooks
Fabric Information: Cups, band interlining and straps: 100% polyester. Frames: 90% nylon, 10% spandex. Band lining: 50% cotton, 50% polyester.Back band facing: 84% natural rubber latex, 16% nylon.
Same as Playtex bra 42714
Playtex Bra Style 4693

It's our best-selling bra! Women buy this bra again and again because they love the way it fits and how comfortable it feels.
Playtex Bra 4693

Are you looking to buy a comfortable yet supportive bra? Try the magic that thousands of women have already tried. This Playtex bra has many comfort features to ensure your comfortability throughout the day. First of all wire free cups, the 18 hour M frame construction eliminates the need to use underwires to support you this ensures that no wire will ever poke you. Most women you will come across complain that their bra straps dig into the shoulder making their bra very uncomfortable to wear; Playtex listened to these women and created a unique comfort strap design that relieves all shoulder strain. The Playtex Women’s 18 Hour Original Comfort Strap Bra is a #1 choice for all plus size women the cups are full coverage which guarantees no spillage over bra cups. And with band sizes up to 54 and cup sizes up to G most plus size women will find this bra their best choice! Add to your cart a Playtex Bra 4693 and relax you have made the BEST decision possible.

Thanks for looking!