Let your kids explore the nature while playing with friends in the sandbox!The Hdpe frame and Cpc certification are great safeguards for safe using, the sandbox is and has no weird smells. Basically, up to 4 kids of 3-12 years old can enjoy game time together. Plus, the sandpit comes with a top cover and a holed liner, both are made of superior oxford for water resistance, fade resistance and tear resistance. The top cover is helpful for clean storage without water or dust. The bottom liner allows good ventilation, drainage and adjustment of sand depth. When kids grow up, the sandbox could be turned into a planter bed. Finally, guided by a detailed manual, the whole installation is very simple.