The engineering details of this pool make it one of our best sellers. Using an interlocking steel stabilizer at the top of the pool combined with a hardware-free 'Snap-In' resin bottom cuff ensures a stronger, faster installation with superior stability. The attractive embossed top ledges and uprights give the Heritage STL added strength with visual appeal. From top to bottom, the details of this pool will be enjoyed for many years to come. From the two-piece, molded top cover to the steel Krystal Kote top ledges and uprights, the Heritage STL pool incorporates superior design elements for superior long term performance.