The Dalen Insulated Plant Protector is a 3-pack of 18" pop-up protection devices designed to prevent frost damage to outdoor plants like tomatoes. Made of durable plastic and in a vibrant blue/green color, these protectors are perfect for vining plants, melons, peppers, cucumbers, and more. The product is of American origin and ideal for gardeners looking to ensure the survival of their plants during colder weather conditions.