Pirastro 4120 Tonica Synthetic Core Violin String Set， E-Loop Envelope， 4/4 Size<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Tonica strings have a core made from nylon </span></li><li><span class="a-list-item"> Lively and round sound </span></li><li><span class="a-list-item"> Easy tone attack </span></li><li><span class="a-list-item"> Very easy response </span></li><li><span class="a-list-item"> Insensitive to variations in temperature and humidity </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51nTfbwHT%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41bL9vfkyUL.jpg" noproxy>