Fudoshin "不動心" is an unmovable or unshakable state of mind. It is a state in which one is able to calmly tackle things without being affected by external influences or emotions. It is a well-known Zen concept and is a common phrase used throughout budo of all kinds. 

Available in both 2 shinai or 3 shinai sizes, you can choose just the size you need!

Constructed of durable canvas and able to carry up to 3 shinai, this is an excellent bag that will last many years and is a great way to stay reminded of the need for an unmoving mind.