Once the weather warms up, you can replace the VegTrug™ Patio Garden Greenhouse Cover with the Vegtrug Insect Cover. The polyethylene micro-mesh cover protects plants from insects, birds, harsh winds and hungry deer. To install, simply remove the greenhouse cover from the frame, and then install the insect cover in its place. Attaches with strong VELCRO® brand tabs. Zips open for ventilation and easy access to crops.