This adapter is constructed of Polypropylene Carbon Fiber. Polypropylene is durable, impact resistant, and tolerates temperatures up to 220 F. This product will not melt in your car in the summer and is also resistant to nearly all chemicals.
The adapter may be cleaned by placing in a rolling boil of water for several minutes. Alternatively, you can place the adapter in the top rack of your dishwasher if a sanitize option is available.