The Twin towers are about 452 meters above the ground, and together have 88 floors which are the most used as offices apace with large shopping mall, the Suria KLCC at the bottom. The towers are linked at level 41 and 42 with a double-decker sky bridgewhich is about 175 meters above ground and 192 feet long.
The PETRONAS Twin Towers is the  tallest twin building in the world. Visit are now open to the public up to 86th floor.
Completed in 1996, the towers were design by Cesar Pelli &  Associates in association with KLCC architects. The Twin Towers are equipped with state-of-the-art communications facilities, and it is a national landmark and a symbol of Malaysia's progress and achievement as an emerging world-class ecomomy.
Other attractions within and around the PETRONAS Twin Towers are, the Suria KLCC, PETROSAINS, Galeri PETRONAS and Dewan Filharmonik PETRONAS.