Petit Bateau Baby Dress With Bloomers Spray Blue Floral Print Quote of the Day BrainyQuote. Petit Bateau, established over 120 years ago by Pierre Valton in Troyes, is one of the most established children's brands. Currently designed by Kitsune, Petit Bateau has grown beyond its tradition of knickers and underwear and has created a full collection ranging from newborn to adult. Cotton dress with all over floral print Smocking across the chest with a ruffled neckline Button closure down the back Sleeveless with ruffles around the shoulders Matching bloomers with elasticized waist and leg openings 100% Cotton Machine wash up to 30C. Do not tumble dry, bleach or dry clean. A0FHM01