Solid Vinyl Rectangular Safety Pool Cover 18 x 36 Feet, 4 x 8 Feet Left 2-Foot Offset Step Rayner 140-V1836L2S 140-V1836L2S If your main concern is keeping a pool clean, especially when you open it in the Spring, then a Rayner Solid Vinyl cover is the best choice. With the right water treatment, your pool can be virtually crystal clear. These covers come completely solid or with a mesh center drain panel. As with all Rayner pool covers, the solid vinyl covers are individually made using only the best materials. They are constructed from a 10 oz. reinforced laminated vinyl which has been treated for resistance against mildew and ultraviolet rays. And to provide extra strength and reduce premature wearing, they fully reinforce both the top and bottom of the covers with polypropylene nylon webbing. The cover is secured to the deck with rust-proof brass anchors which are recessed in the decking to prevent injury and improve aesthetics when not in use. It is held taut on the pool with stainless steel tension springs. The straps have superior D-ring adjustment connections and ends that do not fray!Vinyl Covers with Mesh Drain Panel Option. With this cover, maintenance will be cut dramatically! Most, if not all, the water will drain off through the mesh drain panel. If you still have a bit of water on the cover, you will have to pump it off. Solid Vinyl Covers No Drain Panel Option. Although this cover is very strong, there are safety concerns to be aware of. Because the cover is solid, water will puddle on the top posing a drowning risk. Water must be pumped off to prevent drowning! Automatic cover pumps are sold separately.All Rayner safety mesh and solid vinyl covers are certified to meet or exceed ASTM F1346-91 specifications. Rayner covers come with a limited lifetime warranty.The pool cover image shown is a solid vinyl cover with a mesh drain.This cover includes: rubber abrasion strips at each strap, vinyl wear-pad for the protection of inside corners, stainless steel springs with vinyl spring covers, stainless steel D-rings, brass concrete anchors (threaded and slotted), Allen wrench, tamper tool, store bag, heavy-duty installation rod, and installation instructions.