product information:1. Material of the product: ABS plastic + pure iron material2, the door bar spacing of 6cm, effectively prevent the baby or pet from climbing out3, the product has A model (66-74cm), B model (75-84cm), if the width of the door exceeds 84cm, you need to contact customer service to purchase extension rod4, the product packaging size is: 75 * 85 * 5CM,Net weight is 5kg