Materials: Frame: Aluminum Embroidery thread Guts: Polyester Length: 6.3cm - 6.5cm Everything, from shaping the frame, is handmade. Enjoy attaching it to tennis bags, backpacks, etc. How about a small present for your tennis friends, family, friends and seniors who are about to graduate? Each one is individually wrapped. The colors are all the same navy blue with accent colors: White, yellow, light blue, and crimson. Additional requests are possible in the comments. Thank you very much! ^ ^