My First Valentine's Day Onesie for Baby Boy or Girl - 1st Valentines Shirt Please look carefully at measurement details on the chart provided. Shirts are: 100% Airlume combed and ring-spun cotton Side Seamed Retail Fit High quality soft fabric Unisex is a looser fit, very similar to men's sizing. Design Professional Grade Heat Transfer Vinyl Care Machine wash warm Wash inside out with like colors Tumble dry low hear or hang to dry Do not iron directly over design No bleach or fabric softener NOTES Any jeans, shoes or accessories pictured are NOT included.