Part mesh inner door allows ventilation, whilst keeping bugs out Breathable polyester inner allows condensation to pass through 70D, 6000mm polyester groundsheet waterproof, durable and reliable O-shaped doors easy to open with one hand All in one pitching flysheet and inner pitch together Protex® 70D, 3000mm polyester waterproof, durable and reliable fabric TBS® II - Tension Band System high performance in adverse conditions 70D, 6000mm polyester groundsheet waterproof, durable and reliable All in one pitching flysheet and inner pitch together