Great value as I cycle a few tubes a year. I do not consider this product a synthetic lubricant. Have been using it for years. Doesn't leak like others. I live in Arizona, sometimes the temperature in my garage reaches 115 degrees Fahrenheit. I've had other lubes that leaked and diluted making a huge mess. This green slime stays together. I use it for front end components, U-joints and trailer bearings. I also use it to lubricate the giant o-rings on my pool filter and pool pump and backwash valve. Saves me a lot of money compared to a dedicated pool product.