2018 update
Google has removed codes that were previously displayed for IE9 and below. To get codes, visit the code points file in the GitHub repository.
Link to code points in the GitHub repository: https://github.com/google/material-design-icons/blob/master/iconfont/codepoints
Step 1. Include a material icon stylesheet.
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
Step 2:
CSS code:
.bullet li a:before { font-family: "Material Icons"; content: "\e5cc"; }
Explanation : The e5cc value is the code you see for the chevron.

source share