Green Treated UC4 Softwood Sleeper 2.4m is very versatile and has a wide range of uses including decorative raised beds and planters, garden borders, path and driveway edging and decks and terraces. They are an effective way of building long-lasting flower beds or to create a retaining wall. As a natural product, each sleeper is unique. This means that there may be colour variations, splits, knots and wanes. It is treated to UC4 meaning that it can be used externally and below the ground level.