Depend on products
-  Dimensions of articles
-  Length and loop yarn
-  Water absorbency
-  Fire resistance
-  Bedding articles
-  Tests on synthetic and natural fillers
-  Hygiene tests
-  Measurement of plumping power
-  Distortion/recovery of shapes
-  Light transmission
-  Wrinkle removal
-  Draping
-  Anti-acarid/Anti-bacteria, etc.