Sony MC90R/3 90 Minute Microcassette (3-Pack)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Anti-static guide roller for smooth， consistent sound </span></li><li><span class="a-list-item"> Stronger base material improves durability </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/413SGZurC8L.jpg" noproxy>