Psyllium Husk Powder: 99% with different mesh sizes is the purest form of psyllium husk powder where 99% stands for the purity level and mesh such as 40, 60, 80, 100 stands for the size for the particle where 100# is finest and 40# is bit coarse. This quality comes in natural powder form. The color of the material is good white. Swell volume or water absorption power is around 63 ml/gram. Bulk packing is 25 kg net in fresh paper bag/drum with inner poly liner and outer safety HDPE bag. Retail pack of sachet, 50/100/200 grams mono box is possible in private labeling/third party manufacturing. Please call or mail us on any of such requirement.