This 3-piece bed rail with 28 height-adjustable Settings for mattresses of varying thickness makes it easy for parents to take care of their children at any time; The railings on both sides can be raised and lowered separately without disassembly, increasing convenience; At the same time, our bedsides guardrail is designed with a child safety lock, and is equipped with a soft anti-collision EPE pearl cotton tube to ensure the safety of children at rest, bring greater peace of mind to parents, and effectively reduce the risk of accidents; In terms of installation, there is a detailed manual in the package, which can be easily used by even new parents to ensure stability and safety; Our baby bed rail guard are made of reinforced steel tubes, and the cover is made of 300D Oxford cloth and breathable polyester mesh cloth, which is wear-resistant and comfortable, not easy to tear, easy to clean and change, and fully protects the baby; Moreover, embroidery patterns are not only beautiful, but also promote the baby's color perception and tactile development; In addition, bed bars are designed with extra support to enhance stability, and improper installation or mismatched bed frames can lead to stability issues, so it is important to follow installation guidelines and carefully measure mattress sizes to ensure compatibility; If you need help, our customer service team is on hand to provide practical advice and troubleshooting services.