Froglube clp paste is a bio-based lubricant.It is a non-toxic substance that dissolves carbon on contact.It has a heavy specific gravity, which enables it to season the metal by absorption deep into the pores.Using froglube results in a durable dry slick wax-like surface that reduces friction, eliminates fouling and destroys rust.Froglube is safe for plastic, urethane, nylon, and wood.Made in the usa.Type: Cleaner/LubricantSize: 4 ozQuantity: 1 JarProtects: Against Carbon Build UpSuitable For: Wood,Synthetics,MetalEco-friendly: YesHazair: Yes