Ground protection: Pool base mat – Effective protection from stones and roots Details: Round puzzle mat in black, 17 pieces – Diameter: approx. 200 cm – Thickness: approx. 0.6 cm Insulation: Foam pads reduce heat loss to the ground – pool water stays warmer Comfort: Soft foam mat – Padded base for a comfier bath Safety: Pool mat with textured surface – non-slip for secure footing