It has a neat and easy-to-carry  sports keyring

It has a neat and easy-to-carry sports keyring.
Choose my favorite sport among the eight sports types.
A neat but popping strap is the point.

[Refer to that]
-Baseball ball, volleyball ball: 3.5cm
Bowling ball: 3cm
Soccer ball, tennis ball, table tennis ball, golf ball: 2cm

-The color of the bowling ball will come out randomly.

-You can choose from three colors for the tennis club.

[precautions]
Please be careful that if the force to pull the string is large, it may break.