Graf Ergo Quatro Raised Bed garden bed system is ideal for those with limited space to easily plant their own herbs veggies and flowers. Raised garden beds have many advantages over conventional growing: early harvesting higher yields and more efficient ergonomic gardening to alleviate back strain. Made from UV-protected recycled polypropylene with decorative wood texture on surface it is more attractive than the plastic versions previously available and more practical than those made of wood.