Using this Batgirl costume is super easy. First, put on the dress. It's designed to fit your little girl comfortably. Then, place the mask on her face to transform into Batgirl. Next, drape the cape over her shoulders for that heroic look, and finally, put on the gauntlets.
When wearing the costume, make sure the mask doesn't block her vision. Also, be careful when running around with the cape so she doesn't trip over it.
For maintenance, you can gently hand - wash the dress, mask, cape, and gauntlets in cold water. Don't use harsh detergents. Let them air - dry to keep the colors and materials in good condition. With proper care, this Batgirl costume will be ready for many more adventures.