You are purchasing 25 grams of Ultra Pure Alpha-Cyclodextrin that is 99% pure minimum (currently 99.5%). There are NO INSTRUCTIONS that come with this material because it has many different uses in the Lab Sciences and R&D. Buyer assumes all liability for the use of this item. Buyer agrees to use this item in accordance with all local, state, and federal laws. This is for laboratory and scientific use only! Not for food , drug , or cosmetic use. Shipping will comply with all USPS regulations. Item is NOT regulated by the DOT