100% Cotton gauze, Soft, comfortable and breathable.
Clothes flat size:
Size: 0-6 Months, Length 14.6", Chest 24", Shoulder 9.1";
Size: 6-9 Months, Length 15.4", Chest 26", Shoulder 9.4";
Size: 9-18 Months, Length 16.9", Chest 28", Shoulder 9.8";
Size: 18-24 Months, Length 17.7", Chest 29.5", Shoulder 10.2";