A double pack of the 18m wide 30cm tall raised beds made from 30mm thick pressure treated timber sleepers being 30cm tall it is designed for growing smaller plants and shrubs capacity approx 500 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