Product information

Hi all
I will appologise first I am new to woocommerce, I need to add additional product information mainly for stock and shipping for example I need to add the following aerosol ? yes or no, flammable? yes or no.
Others include barcode, cost price, and a few others.
I am importing data from another eccommerce platform but will need this information it doesnt need to show on the front end of the shop only in admin.
Thank you in advance