The best UV protection ever made for boats and gear. 303 Aerospace Protectant is "SPF 40 for your stuff!" Helps in prolonging the life of your raft; cleans and protects plastic kayaks and vinyl canoes; extends the life on dry top and suits' latex gaskets. 303 is what manufacturer's recommend for vinyl, clear vinyl, inflatable boats, fiberglass, rubber & all UV sensitive plastics. It is easy to use - just spray on and wipe dry. Environmentally safe product. Non-toxic and biodegradable.