GATOR BASE is an evolution in base technology saving you time, labor and money for pedestrian applications. Designed with a tongue and groove system GATOR BASE is easy to install. Evacuating water through its channels GATOR BASE is equivalent to 288 lbs (130 kg) of crushed stone, saving you 6 in (15 cm) of extra excavation. GATOR BASE is manufactured using lightweight high-density polypropylene and is environment-friendly and 100% recyclable. Extremely durable, GATOR BASE will not degrade in the ground.