100% Cotton OUTER MATERIAL-100% down proof cotton shell,500 thread count,soft, breathable and no sound. FILLING MATERIAL-100% filled with washed natural white goose down,Without Any Feather and Chemicals,750+Fill Power,Hypo-allergenic. DIMENSIONS??33×43-Filling Weight:9.88oz;Advice for 0-1 years old baby. SPECIALTY:Cotton shell is skin-friendly and soft.Natural filling is silent and static free.Sizes fits all standard baby /toddler cribs beds.Machine Washable. CRAFT-True box stitching construction,in order to prevent feathers from shifting,reduce the cold spots.