Fabric content: 100% varies by size and color - please refer to the specific size of the color desired for fabric details. Imported. Pull On closure. Machine Wash. For safety, sleepwear should be either flame resistant or snug-fitting. This item has snug-fitting tops and loose fitting flame resistant bottoms. Set includes 2-long sleeve cotton tops paired with light weight fleece pajama pants. Pants feature covered elastic waistband and allover prints. Cotton tops are not flame resistant. To help keep children safe, cotton pajamas should always fit snugly. Fleece pants are flame resistant. Trusted Carter’s quality, everyday low prices, and hassle-free tag less packaging.