A unique system, quick and easy to construct. No posts are required for round, closed structures. With our simple push-fit connectors and detailed instructions, you’ll manage the construction in a very short time. – No-screws construction – Only push-fit connectors and hook spacers are used – Protective fleece and/or pond membrane included in the kit. 97040: Dimensions L.xW.xH.:100x20x40cm. Stone requirement (approx.):100kg. Stone size (approx.):25-60mm.