Paint protection basically puts a seal over the paint work on the car, giving it a much smoother feel and protecting it from the environment - acid rain, UV rays, tree sap, bird $hit, etc etc. with this on, the finish on the cars paintwork is very good,and makes washing much easier, you can actually feel the difference when this has been applied
alloy wheel protector, fairly similar protector, puts a protective coating on the wheels, it helps eliminate brakedust build up. unfortunately it cannot prevent buildup, but it can remove almost any stains/marks which have been hard to remove.also makes wheels easier to clean.
interior protector is a resin based upholstery protector, works along the same lines as scotchguard for a sofa or carpet
hope this explanation helps
price is £30 plus P&P, can do it direct or through Hypertech if you would rather pay by phone
scott