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? <Dandelion Size> Length: Approximately 4.8cm, Width: Approximately 3.4cm <Two-Flower Size> Length: Approximately 4.7cm, Width: Approximately 5.5cm <Tea Grain Size> Length: Approximately 4.3cm, Width: Approximately 4.0cm <Ultramarine Swirl Size> Length: Approximately 4.0cm, Width: Approximately 3.7cm