*KeyFeatures *Fits a 18 x 40 Ft Pool: Pool Cover Size: 20 x 42 ft. The actual cover size is 2 ft larger than the ordered pool size, ensuring no stretching and perfect covering. Before ordering, please measure your pool dimensions first and always select a cover based on your pool size. Ideal for most types of pools at home, garden, or hotel. If pool protection is what you need, then we got you covered. *High Strength PP Material: This in-ground pool cover is made of soft and tough polypropylene, making it resistant to aging and abrasion-proof. Double-strapped and triple-stitched, our solid swimming pool cover can serve you for a long time. *Complete Hardware Included: The pool cover comes with brass anchors, stainless-steel springs, and installation tools for easy assembly. Drill and tamp style brass anchoring system permanently secures anchors in concrete. The length of the tension spring is adjustable between 13.7-25.6 in / 35-65 cm, according to the size of your swimming pool.Your cover will never get blown away by the wind, so you can be confident that your pool will remain pristine. *Children & Pets Care: The solid tensile design of this swimming pool cover effectively prevents children and household pets from accidental drowning. In addition, this cover makes excellent contributions to reducing water evaporation and keeping pool water clean in winter. *Tight Mesh Design: Our pool cover adopts a tight mesh construction, allowing water to pass through for effective drainage. Moreover, it can also perfectly block falling leaves, snow, or debris, leaving a crystal clear pool next spring. Your pool is your sanctum for spring and summer. Treat it right. We won't let anything get through. ******************************************************************************************************* *Specifications Model: YYCM-3345 Material: Polypropylene Swimming Pool Size: 18 x 40 ft/5.2 x 12.1 m Swimming Pool Cover Size: 20 x 42 ft/6 x 12.8 m Surface: Tight Mesh Color: Green Tension Spring: 304 Stainless Steel Ground Bolt: Brass Gross Weight: 68.3 lb/31 kg ******************************************************************************************************* *Pakcage Content 1 x Pool Cover 30 x Tension Springs 30 x Ground Bolts 1 x Set of Installation Tools