-Built-in 4 corner seats provide place for kids to rest. -Dust-proof cover prevent the pollution of fallen leaves or debris. -Bottomless design is convenient to drainage. -Premium HPDE is wear-resistant and weather-resistant. -Smooth surface and round edges are kids-friendly. -Lightweight design making it ideal for outdoor use. -Ground stakes are included to enhance the stability. -Perfect gifts for kids to enhance their creativity. -Certified by CPSIA and ASTM.