Materials:Cotton/Polyester/Spandex Baby dress: Size 0-3 months to Size 12-18 months is Romper. Button end, tulle dress romper; Girl dress: Round Neck, fly sleeve , backless, Elastic waist, Sweet Mini A-Line dress Mom dress: V-neck, backless, shoulder strap adjustable, cold Shoulder, ruffle sleeve, back zip, floral printed midi dress Mom and daughter matching outfits, great for special events, family gatherings, holidays, girls night out etc. Matching dresses are great for more than just Mom and Daughter! Try with Aunts, Grandmas, Sisters, Cousins, Friends and MORE! Dresses are sold separately. If you need a set for mom and girl, you must add a women size and a girl size into your shopping cart.