Premium-Quality: Sturdy thick metal frame with grooves made with durable zinc-aluminum coating lasts up to 20 years, making our galvanized garden boxes 7x more durable than plastic or wooden garden boxes. Zinc-aluminum coating is also weather-resistant and anti-rust, so that your raised garden beds will remain new-looking for many years to come! Our galvanized metal material also helps reflect high heat, keeping your plants cool while keeping the soil's water level stable Special Feature: Savana's raised garden bed's added height help minimize strain on your back as you bend over to pick & plant, so you can have a more enjoyable and comfortable gardening experience. Our galvanized garden bed are 17" and 24" tall, the increased height also promotes better drainage and root growth, making it ideal for growing deep-rooted fruits and vegetables! Additionally, the extra height provides protection for your plants against intruders such as rabbits. Easy Installation: