Mosquito net and 100% blackout in one product. The combination of two layers of curtain/blind and one layer of mosquito net provides darkness, allows air to pass through and prevents mosquitoes from entering the boat. The blind is easily attached from the inside with two suction cups or the new magnetic option. Suitable for roof hatches with a valve with an internal dimension of up to 520 x 520 mm. Hatches with ventilation require two suction cups for permanent installation.