[Suitable for people] Children 1-18 years old [Applicable season] All seasons Specification: 47*32/49*32/50*38/52*38 [Fabric A] Cool air layer [composition]46.7% polyester 36.6% vinyl 16.7% polyamide [Fabric B] Woven cotton [composition]100% cotton [Fill] DuPont Pearl cotton [composition |100% polyester fiber [Neck filling] Mulberry silk [Composition]92.2% mulberry silk +7.8% polyester fiber Washable] Washable, machine washable [Safety standard]GB31701-2015A (for infants) [Executive Standard]FZ/T73025-2019 [Implementation standard] Test content: formaldehyde content, PH value, decomposed aromatic amines, odor test, Washing size change, washing appearance quality, color fastness to perspiration, color fastness to friction, color resistance to water Fastness, color fastness to saliva, infant and children's strap requirements, tensile resistance, sharp edge The combustion performance is in line with the requirements of GB31701 (for infants) national textile products