This was required for my daughter's dance team, but then never used. Child size large, comes with extra clear straps as shown in photos. Deep Neck Clear Back Bra - Girls Say goodbye to noticeable bra straps! Designed to fit under leotards and costumes, this bra features a clear back strap that provides support in a discreet way. With a deep plunging neckline, this bra offers a secure, uplifting fit. Both the clear and dyed-to-match bra straps adjust and transition between three back neckline positions for different looks and functional support. Product Features: 94% Nylon, 6% Spandex Deep plunging neckline Clear back strap Straps adjust and transition between 3 back positions Clear and dyed-to-match transitional straps Machine wash cold, delicate cycle, hang dry