Safe Edge The garden box adopts a folding edge design for safe installation. The upgraded black strip shaped built-in iron clip will not fall off or deform under prolonged sunlight exposure. Used for reinforcement and injury prevention to further enhance protection. It is safer for children and pets Double Reinforced Connecting Rods The 8x2x1FT large raised beds for gardening provide enough space to grow the vegetables you want. There are two rotating support rods in the middle, There are two rotating support rods in the middle, which are easy to install and used to reinforce and stabilize your plant box Upgrade Quality & Structure The raised garden bed is made of thick galvanized metal with a surface spray coating, which is rust proof and anti-corrosion. Can be used for a long time.