Double-welded seams for strength. Protection against chemical and UV fading to ensure that the liner you have chosen to match your pool and landscape stays beautiful as long as possible.Superior cold crack resistance.Permanent bonding via high pressure heat for durability.Fits pool walls from 48"-52" or 54" as Noted (please see our Overlap Expandable Liners for deep end pools with 60"-72" walls).Plus you get an installation guide that makes the installation process easy. You get free next day delivery when you choose our bright and clean-looking Solid Blue Liners. Or choose from our selection of liner patterns to give your pool personal style! WARNING: This cover is only meant to be used with pools of the exact same listed dimensions. PAYMENT INFORMATION You should receive a confirmation e-mail upon purchasing your item. Accepted payment methods: MasterCard, Visa, American Express, Discover and Pay Pal SHIPPING RATES AND INFORMATION All items are brand new unless otherwise indicated. These rates apply to the lower 48 states only. Applicable sales tax will be charged to products shipping into the following states: AL, AR, AZ, CA, CO, CT, FL, GA, IA, IL, IN, LA, KS, KY, MA, MD, ME, MI, MN, NC, ND, NE, NJ, NM, NV, NY, OH, OK, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WV and WI Pool Supplies Superstore is pleased to introduce next day delivery to most of the US for many of our most popular swimming pool supplies. Next Day Delivery Service does not mean Next Day Air, but simply that your qualifying products will be shipped from the warehouse closest to you resulting in delivery the next day. All orders ship standard service, signature service is not required. We do not ship to the following addresses: · P.O.Box and APO/FPO Addresses · Alaska, Puerto Rico, Hawaii, and Virgin Islands. · Freight Forward Companies Shipping Details: · All in-stock orders placed Monday-Friday by 1pm CST are shipped the same day, and should arrive to you within 2 to 8 business days in the continental U.S. · If you fail to receive your order within 8 business days, please notify us immediately.