WINTER POOL COVER – The Winter Block Winter Pool Cover is great for keeping your aboveground pool in good condition during the cold winter months and makes it easier for you to get the pool back in shape in the spring EASY TO INSTALL – This lightweight, yet durable winterizing pool cover is easy to install It comes with perimeter grommets, steel cable and winch so it’s ready for installation right out of the box DURABLE CONSTRUCTION - This aboveground pool winter cover is treated for resistance to damaging sunrays It’s made of laminated polyethylene sheeting woven with thick, high-density polyethylene stitching for superior tensile strength & durability KEEPS OUT DEBRIS – Designed to keep out debris, rainwater and melted snow, you can rest assured that next summer your pool will be ready for another season of family fun! This pool cover is extremely durable to withstand even the harshest winters FITS A 20’ x 40’ RECTANGULAR INGROUND POOL – This Winter Block Winter Pool Cover measures 24’ x 44’ to fit a 20’ x 40’ rectangular inground pool