There are two thread clips slots on each card to keep the end of the thread stuck, also you can mark them for easy reference.
Small in size and light in weight, it wont take up much space.
It is easy to use and operate, bring much convenience to your life.
Good gift to your friends and relatives or those who are fond of sewing and organization.
Prevents embroidery or sewing threads getting twined, easy and convenient for classifying.