Common materials are cotton and cotton blends. Examples shown include 60% cotton/40% polyester blends, 100% cotton crinkle gauze, and blends that incorporate recycled cotton and metallic fibers.
Most items list machine washing. Drying instructions vary: some recommend line dry or lay flat to dry, others allow tumble drying. One product specifically advises not to tumble dry and to iron at a low temperature.
Smaller rompers (around 0/3 to 6/9 months) are sometimes footed, while older infant sizes (12 to 24 months) typically have open bottoms.
Fabric names noted include Cozy Rib Knit, Interlock, gauze/woven fabrics (including 100% cotton crinkle gauze), and blends listing cotton combined with recycled cotton and metallic fiber.
Sleeve styles include long sleeves, short sleeves, flutter sleeves, puff-style sleeves, basic sleeves with rolled cuffs, and variations depending on the silhouette.
Many ruffle outfit sets include a matching knotted headband. Some multi-piece sets also include a coordinating skirt as part of the set.