Kids' chef outfits are sold for a wide range of ages. Some sets are sized for infants and toddlers (for example, 0–3 years), many start at about age 3 and up, and a number of items are sized to fit roughly ages 3–12 or 3–13 depending on the brand and cut.
Materials vary by piece: garments and costumes are often polyester (100% or high-percentage blends), aprons and some accessories use cotton or nylon, and smaller parts or toy tools can be plastic. Baking tools in kits may use food-safe plastics or wood depending on the set.
Costume garments are frequently described as machine-washable, while smaller accessories and role-play utensils are often specified as wipe-clean or spot-clean. Separately, some baking-kit tools are noted as dishwasher-safe—always check the product care label.