GLI Classic In Ground Winter Cover, Rectangular, Blue, 18 x 40 ft. Pool Size, 23 x 45 ft. Cover (451840RECLA5BX)

- Made from tough polyethylene fabric - Time-tested! It's the toughest, most durable material available. Won't crack, split or tear from the cold!- Lightweight - Easier to put on and take off the pool than heavier, bulkier vinyl covers. Takes up less room to store, too!- "Hold-Tite"® reinforced seams - Lasts longer! Won't rip, fray or come apart- Double-folded self edge - Double-stitched with water, chemical and sun resistant thread- Competitively priced - We dare to compare with all others!- GLI offers 30 years of experience in the manufacturing of winter covers. We use the best material with the highest concentration of UV stabilizers to ensure your cover will last for years. We also back our covers with the best warranty in the business.- Owner Instructions & Warranty Information (http://www.glipoolproducts.com/assets/manual/warranty_owners_wc.pdf)