Cotton 100 percent, comfortable and skin friendly; easy to put on and take off. Product weight: 0.0850 kg Package weight: 0.0950 kg Package size: 30.00 x 24.00 x 2.00 cm / 11.81 x 9.45 x 0.79 inches Package Contents: 1 x Vest Jumpsuit Instruction: There may be 1 - 3cm differ due to manual measurement. Please choose the right one according to your actual situation.