Aurora V2/ Eclipse Umbrella In-Ground SleeveThe Instant Shade In ground Sleeve is suitable for the Eclipse and Aurora cantilever umbrellas and is designed to be placed in an area where new concrete is being poured such as garden beds, lawn or any other soft surface. The hole needs to be a minimum of 40cm wide and 70cm deep and belled out at the bottom. You can install the umbrella onto the sleeve once the concrete is set (allow approximately 2 3 days). Suitable for: Instant Shade Eclipse