Some of the key features of automatic waterproof cover children umbrella are:

1. Automatic opening and closing mechanism: The umbrella can be opened and closed automatically with just a push of a button. This makes it easy and convenient for children to use.

2. Waterproof cover: The umbrella comes with a waterproof cover that helps to protect children from getting wet during rainy days.

3. Child-friendly design: The umbrella is designed keeping children in mind with features such as rounded tips, easy grip handle and a lightweight structure, making it easier for children to carry.

4. Durable and sturdy: The umbrella is made of high-quality materials, ensuring that it is durable and sturdy enough to withstand regular use.

5. Attractive designs: The umbrella comes in a variety of attractive designs and colors, making it fun and appealing for children to use.

6. Compact size: The compact size of the umbrella makes it easy to carry around, store in a backpack, or even in a purse.

Overall, the automatic waterproof cover children umbrella provides convenience, protection and durability for children during rainy days, while being designed in a child-friendly way that makes it fun and easy for them to use.