Randy's Black Label liquid cleaner removes resin and goo from glass, metal or ceramic. Simply place your smokeware into a container or bag, pour in 1 - 2oz of cleaner, shake for one minute, then let soak for 4 - 6 minutes or until item is clean. 20 bottles per case. Made in the USA. Please note this product must be shipped separately as it is flammable and may not arrive at the same time as other products in your order.