How do you find that sarees are 100% pure silk? Just touch your silk and feel its softness. Pure silk is completely smooth to the touch, with a soft, almost waxy feel. Also, if you squeeze it in your hand a bit, you should hear a cracking sound – that sound should tell you it’s the real deal. Amit What is Zari Banarasi Sarees? Which is the Best Site to Buy Hand painted silk sarees online?