Each stitch was carefully and meticulously done with embroidery thread. It's very lightweight, but to avoid putting stress on what you attach it to, we recommend adding a layer of fabric to the back. Decorate your clothes, bags, scarves, etc., and go out with a smile! How about using them as markers for your children's belongings? <Black Swan Size> Height: Approximately 3.8cm, Width: Approximately 5.5cm <Flower with Leaf Size> Height: Approximately 3.7cm, Width: Approximately 4.5cm <Bowl Flower Size> Height: Approximately 3.7cm, Width: Approximately 4.0cm <Flower with Branch Size> Height: Approximately 4.0cm, Width: Approximately 3.1cm