As the audio titled "Synthetic Material 5" begins, there's a soft yet distinct sound of ruffling, reminiscent of a gentle breeze rustling through a plastic bag. As the audio progresses, the ruffling becomes more pronounced, creating a sense of movement and texture that's both intriguing and vivid. This then transitions into a crumpling sound, akin to a plastic wrapper being scrunched up in one's hand. The crumpling sound is somewhat louder and more intense, suggesting a transformation or manipulation of the synthetic material. Throughout the audio, there's a distinct resonance that characterizes the unique properties of plastic, giving the listener a tangible sense of the material's characteristics and potential uses.