Kozy Coat protects plants to 12 degrees F enabling you to start your garden 6 to 8 weeks early without fear of freezing. Whether it's tomatoes, cucumbers, peppers or melons, Kozy Coats are the secret to enjoying your heat loving plants early every year. Reusable water filled teepees store heat during the day, and protect your plants at night. Be the first one to pick vegetables this year by using Kozy Coat to guard your tender plants against the outdoor elements and extending their growing season. Each package contains 3 Kozy Coats, each measuring 18 inches in diameter x 16 inches tall.