-Cotton -Elastic -Soft and comfortable Due to fabric upgrades, some of the dark blue versions may have a slightly different fabric composition from the details described. Both the new and old versions of the fabric composition will be sent randomly. Your understanding is appreciated. Split Gathered Waist Knitted Midi Dress GoodsNo: 1B7J4H520 • Fit Type: Fit • Elastic: Micro-elastic • Thickness: Moderate Materials Shell: 76% Cotton 18% Viscose 6% Elastane Suggest Wash separately Washing • Machine wash cold normal cycle • Do not bleach • Do not tumble dry • Line dry in the shade • Cool iron • Do not dry-clean