Suitable for Dellonda Model No. DL21 or any pool of similar size. This hard-wearing ground sheet is placed under the pool and can assist in extending the life of the pool by reducing the damage on the pools bottom caused by stones or debris. The ground sheet is made from high quality, safe, UV treated and durable materials. Can be used for other purposes when not applied as a pool ground sheet. Can be easily folded and put away when not in use. SUITABLE FOR - Dellonda Model No. DL21 or any pool of similar size. OFFERS STRONG PROTECTION - This hard-wearing ground sheet is placed under the pool and can assist in extending the life of the pool by reducing the damage on the pools bottom caused by stones or debris. HIGH QUALITY MATERIALS - The ground sheet is made from high quality, safe, UV treated and durable materials. WATERPROOF & VERSATILE - Can be used for other purposes when not applied as a pool ground sheet. EASY TO USE AND STORE - Can be easily folded and put away when not in