Roadwired R.A.P.S! Advanced Protection Small Wrap, Yellow Exclusive, multi-level protection system includes: Layered construction and overlapping/self-securing design protects against the elements. Lining material (see below) is a true moisture/vapor barrier. 1/8-inch thick foam interlining throughout, to protect against bumps and jolts. Patented Corrosion Intercept lining (originally developed by Lucent Technologies Bell Labs to protect missile and space components) protects against environmental gasses, pollution and humidity, improving the performance (clock accuracy, key response, etc.) of electronics, reducing errors, and extending useful life. Hook/loop closure material at all four corners allows R.A.P.S. to be folded, rolled and closed in virtually limitless configurations, to conform perfectly to any contents.