aden + anais Baby-Boys Newborn Muslin Romper 95% Cotton, 5% Spandex Imported Machine Wash A light, airy alternative to our sleeveless body suit, made just for little girls We've taken our muslin spandex blend and constructed an adorable summer outfit for your little lady, with a bubble-like shape made just for cute little diaper bottoms Softpre-washed for baby's comfort, and built to last - our items get softer with every wash Breathable stretch5 percent spandex gives each item just the right amount of one-way stretch and our signature cotton muslin keeps baby comfortable without overheating Adjustableshoulder straps lengthen or shorten for a perfect fit