2-piece size suits. Printed cotton T-shirt and harem-style low-mesh sweatpants in medium-weight cotton fabric. There are pockets in the front of the trousers. Waist and ankles are elastic. All Denokids products have been produced with child safety in mind and have been passed through needle detectors. Upper: 95% Cotton 5% Elastane - Bottom: 50% Cotton 45% Polyester 5% Elastane