HM1852-PKG Size: 18" x 52" Round Give yourself and your family the quality time you deserve with the Hamilton Pool Package in your backyard. You can enjoy the fun and freedom to use it anytime day or night. Features: -Available in 18" x 52", 24" x 52", 27" x 52" or 30" x 52" sizes . -Sand media filtration system. -Blue vinyl all weather 20 mil liner. -20 Mil blue vinyl all weather pool liner. -7" Gray resin ledge and painted steel vertical pool frame. -Wide mouth thru-the-wall pool skimmer. -Resin pool ladder. -Pool installation video included. -Made in the United Sates of America.