Natural Muslin Romper for a Baby Boy or Girl From Birth up to Etsy MUSA BABY ROMPER Pin on Rompers Slate Blue Muslin Romper Bambino Bubs. Soft, comfortable one piece romper designed for babies. Features gentle fabrics that move with your little one throughout the day. Perfect for playtime, outings, or everyday wear. Easy to dress and undress with practical closures. A versatile staple that pairs effortlessly with any accessory or layering piece.