Durable Heavy Duty Transparent Cover * Side vents allow for venting of the greenhouse to prevent over-heating on hot spring days; They also allow for watering access as needed * Pops open and stows flat in the off season; Reusable year after year * Protects from harsh weather conditions in the spring, including strong winds, heavy rains, overnight frost, insects and other pests * Allows Sun"s light to warm soil and accelerate the growing process for a lush, healthy plant