Features: High-strength plastic, providing stable support and full of durability guardrail structure. Suitable for use home, travel outdoor, kindergarten and other environment, providing a safe activity space for children. The ergonomic backrest designing enhancing the comfort of children's sitting. Quick installation and disassembly without tool, convenient for parents to operate. Multi functional combination, integrated design of guardrail and backrest, meeting multiple use needs. Specifications: Component: plastic Color: refer pictures to selection please Size leg circumference 18cm/7.09inch Technical parameters: adjustable design, High-strength connector, Complied with child safety standard Use scenarios: Family living room, Children's room, Kindergarten activity area Package Includes: 1 Piece Child Growth Chair Guardrail 1 Piece Backrest note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.