3 pack. Truly effective plant protection! Made of durable red plastic. Place one Kozy-Coat around each of your tomato plants, then fill tubes with water and experience the difference! Water stores heat during the day and releases it slowly at night. Protects plants to 22°F and helps produce crops earlier than ever. The red tint increases tomato production and helps ripen the fruit faster. Grow bigger, earlier tomatoes. Stands 18 inches tall.