If you would like to protect your wooden raised bed during the winter, then this cover is purpose made for the task. Made from strong woven 130 gsm polyethylene it is both durable and waterproof. Measuring 125cm in diameter and 15cm in depth, it's the perfect fit for our wooden raised bed, but will of course fit other raised beds of similar dimensions. The cover features metal eyelets and a nylon draw string to help secure it in place.