Elastic covered yarn is made of an elastic fiber, which is drawn to the certain times and then covered by another yarn.
Filament covered yarn:
Two types of yarn are divided according to its sorts:
1.Polyester Textured Yarn:
a. soft and smooth feeling 
b. comfortable dressing 
c. eel like wool 
d. the cloth with plentiful feeling
2.Nylon textured yarn:
a. super soft and smooth feeling 
b. natural and plentiful feeling . 
c. delicate brilliance . 
d. without lint 
e. with two-color feeling
Staple[...]