Different kinds of Yoga Mats inspection-Yoga-Roller quality control：
Latex Yoga mat
TPE Yoga mat
PVC Yoga mat
EVA Yoga mat
Yoga roller(foam roller)
Some common factors for Yoga Mats inspection-Yoga Roller quality control:
Appearance
Measurement of product
Function check
Product chemical odor check
Colour fastness
Pantone comparison
Seam strength test
Fitting test of inner roller
Loading test
Adhesive strength check
Packaging
Material density check when applicable
