Precise fit ·360° comprehensive protection: This underground pool cover measures 18 x 36 feet and is suitable for swimming pools of 16 x 34 feet. The underground pool cover is 2 feet larger than your swimming pool and can achieve a tight coverage without stretching. Please measure the size of your swimming pool before purchasing. Multi-functional, suitable for all kinds of underground swimming pools, it is an ideal choice for home, garden or hotel swimming pools.

High-quality materials/triple reinforcement process: Made of high-strength polypropylene weaving, it has passed the UV1000 anti-aging certification (can withstand 1000 hours of sunlight without becoming brittle), and is equipped with double-band reinforcement (breaking strength ≥800N) and triple edge-locking stitching. It remains flexible in a temperature difference of -30℃ to 60℃, and still maintains 90% protection performance after 3 years of outdoor use.

All accessories are ready to use out of the box: This kit includes brass anchor bolts, stainless steel springs and all necessary installation tools. Compatible with hard pool banks such as concrete and stone, adjustable rope length, suitable for 90% of underground swimming pool structures. The three-step installation method of "measurement - drilling - tensioning" can be completed by a single person.

Safety Certification/Multi-functional protection: Passed UL certification and complies with ASTM F1346 standard - meets the highest safety standards. The solid structure can support two adults standing (static load ≥400 pounds), effectively prevents accidental falls of children/pets, dust-proof and stain-proof, keeps the swimming pool clean throughout winter, and is ready to use after opening the cover in spring. Save over 300 US dollars in cleaning costs.

0.3mm precision mesh weaving/Double guarantee: The high-density woven mesh surface (with a hole diameter of 0.3mm) enables rainwater to penetrate quickly. Through the fine mesh holes, it forms a "filtering barrier", precisely intercepting debris of ≥5mm, such as leaves, pinecone, and branches. With a shading rate of 90%, it inhibits the growth of algae from the source, ensuring that the swimming pool remains clean and clear. Reduce the frequency of water changes or deep cleaning.