Psilvam Planter Box Raised Garden BedPremium Enduring Materials Unlike traditional wooden (cedar) planters on the market, which risk chipping, cracking, or breaking. Our planter raised beds are made of advanced polystyrene material, which is waterproof and Persistent and can ensure a longer service life. Easy Gardening If you don't want to bend or kneel too much while gardening, this 34 inch raised garden bed with legs is the perfect choice for you, as it avoids the damage to the waist