“This is the best product I have found to keep all your vinyl in prefect shape with out using it a ton of it. Treatment with this product last six months to a year, Depending on the climate. I am in California.. It works on leather too. Use on my VW GTI and CVO Harley softtail saddle bags and seat. This stuff is nothing Like Armorall which is poor excuse for a protectant, compared to 303 Aerospace Protectant which really works to save your vehicle and aircraft. It's the best product your money can buy to save your toys.”