Beach Bunny Karter Underwire Bikini Top in Brown. - size M (also in S) Beach Bunny Karter Underwire Bikini Top in Brown. - size M (also in S) 80% polyamide 20% spandex. Hand wash cold. Unpadded underwire cups. Back tie closure. Imported. BEAC-WX491. B12147T8. Beach Bunny swim separates offer a variety of mix-and-match styles for a unique, beach ready look. Lace, chain, and ruching details combined with comfy fabrics make for an undeniably flirty, figure flattering look.