Cotton 100 percent. The height is only for suggestion. Product weight: 0.1500 kg Package weight: 0.1550 kg Package size: 23.00 x 20.00 x 1.00 cm / 9.06 x 7.87 x 0.39 inches Package Contents: 1 x Triangle Jumpsuit, 1 x Pair of Pants, 1 x Hair Band, 1 x Hat Instruction: There may be 1 - 3cm differ due to manual measurement. Please choose the right one according to your actual situation.