Mckee's 37 Matte Finish Ceramic Coating 4oz 118ml e.c.stain Product type Ready to use hydrophobic spray 780 Product type Ready to use hydrophobic spray sealant Durability Up to 12 weeks Typical consumption Approximately 80 ml per car pH tolerance 2–11 SiO2 content Less than 5% Water contact angle Greater than 90° Dilution Use as supplied GYEON rates protection for up to 12 weeks A state of the art formula that works to really become one with the leather and recondition the hide McKee’s 37 Matte Finish Ceramic Coating provides long lasting protection against the damaging affects of the sun Use it at car shows to remove dust