Enjoy some fun in the sun with the Intex Round Ultra Frame Swimming Pool. This swimming pool is the next step in metal frame swimming pool and beauty. This 18' x 52" round swimming pool has a unique shape that is stronger than traditional round metal frames. The easy-to-assemble frame and round shape allow for the pieces to fit together so smoothly and securely that no separate locking pins are needed, keeping your pool looking better than pools with traditional metal frames.