A double pack of 18m wide 45cm tall raised bed made from 30mm thick pressure treated timber sleepers being 45cm tall it is designed for growing small to medium plants and shrubs capacity approx 700 litres per raised bed not supplied with a base floor as standard but this allows you to integrate this raised bed directly into your garden an optional base allows you to convert this raised bed into a stand alone planter for use on a patio decking or lawn