Packaged in an air sealed tight bottle. Keep contents sealed and stored in a cool dry place. Certificate of Analysis test sheets are available for existing customers or can be send with order. Items are shipped in a plain envelope or bubble mailer within 24-48 hours (or next business day). Please research the uses of this product before completing your purchase. Customer satisfaction is our number one priority, if you are not 100% satisfied with the product you received please contact us at firstname.lastname@example.org.