The Portable Solar Kettle can hold up to 3 cups of water. It has a built in evacuated glass tube boosted by solar wings which increase the energy from the sun and can boil water in 30 minutes. The solar kettle is great for traveling, boating, camping, hiking, military, survival, and emergency needs. You can even use it at home to save energy cost. This is an easy way to heat and pasteurize water for safe drinking. It has no batteries, no moving parts, and no fuel cost it's just an easy way to get hot water from Sunshine. It has a built in stand to hold the kettle reclined so it faces the sun. It measures 18" x 4"