Fir wood with water-based paint prevents cracking and fading-2-in-1 design with a detachable cover featuring tool-free detachment-High-quality 420D Oxford fabric cover for sun-protective use-Stable triangular structures support the cover securely-2 built-in benches for little ones to sit comfortably-49" x 48" large size holds up to 4 kids-Bottomless design for sand adjustment and air circulation-Burr-free surface and reinforced screws enhance security-Great gift idea for children aged 1+ years o