Watering is only needed every week or two during the summer here in Wisconsin.  Great for when on vacation, flowers still look beautiful upon returning home.  I also tend to forget to water potted plants and flowers, so this is a great solution.  Water when you remember, and it will hold the water until it's needed.  The pot is very light when empty, but will not tip over when filled.  I own two in black, the material is very nice looking.  Have used for two summers, stored in garage over winter and they still look great.