UPS CUSTOMERS: Please note that depending on the location, UPS shipping per box of clay can vary from $20 - $40 per box. Please consider this when ordering clay. castingslips Armadillo Casting Slip - White cone 04, 1 - 4 cartonsThe price posted is for each 2 gallon carboard carton. We are unable to ship this by UPS or mail because of the difficulty in packaging so that is arrives without leaking. armcast$9.25 Armadillo Casting Slip - White cone 04, 5 to 20 cartonsThe price posted is for each 2 gallon carboard carton. We do not ship this UPS, only by will call or our delivery truck schools and institutions. armcast-6-20$8.30 Armadillo Casting Slip - White cone 04, 21+ cartonsThe price listed is per 2 gallon carboard carton.This is not shipped by UPS or mail. Will call or our delivery truck for schools and institutions. armcast21$7.40 Laguna Porcelain Slip - Cone 5/6 - 1 gallonVery White. 1 gallon plastic jar, 15 pound weight. Althou the picture looks rather gray the tile is white. NS125$12.40 Toshi Porcelain, cone 10Fires white in oxidation and eggshell in reduction, comes in one gallon plastic jar, smooth. Weight 15 lbs. WC829$10.98