You are purchasing on 1 lb. of High purity, Reagent ACS grade Mannitol (pic is of a 4 oz. bottle) . YOUR SAMPLE will be bottled in plastic like the 500 gram bottle pictured. Good luck!! Buyer must be 21 years of age. 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 or drug use. Shipping will comply with all USPS regulations. Item is not regulated by the DOT. Picture may not reflect new GHS labeling.