Strap 29cm somewhat errorOverall Length: approximately 31 cmTotal weight: about 130 gramsColor: Pink Blue OptionalThe use of age 4-15 months Strap in line with the baby physique design、 comfortable without feeling tight contact with the baby's head without a word、 the baby easy to accept、 effectively alleviate the impact of a fall to protect the baby's head back、 carefully handling the corners cleaning is not deformed more durable. Can adjust the size、 the use of soft + effectively protect the baby's head and back when stretchable material、 cushioning the impact of falls、 (early childhood development at the time、 the head of the weight of large、 autonomous and independent until unable to walk、 easy to fall in order to protect the baby head Ministry essential choice) do not want to take the baby with hat does not resist when the amount of travel needed care when traveling with worry