<p dir="auto">Not a major issue, but the animation gets shown twice on all of the iPhones I've tested on.</p>
<p dir="auto">iPhone 5, 5s and 6, all running iOS8</p>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have searched the <a href="https://github.com/callemall/material-ui/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h2 dir="auto">Expected Behavior</h2>

<p dir="auto">I think there should be only 1 MuiTextarea element</p>
<h2 dir="auto">Current Behavior</h2>

<p dir="auto">There are 2 MuiTextarea elements</p>
<h2 dir="auto">Steps to Reproduce (for bugs)</h2>

<ol dir="auto">
<li>Add TextField to your application</li>
<li>View the rendered TextField in the DevTools</li>
</ol>
<p dir="auto"><a href="https://codesandbox.io/s/lxl8145nl7" rel="nofollow">https://codesandbox.io/s/lxl8145nl7</a></p>
<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://camo.githubusercontent.com/fcedf01f3ad583a3e6d6d7099b341c108fb7d943e2bd5a631605468b528e6b75/68747470733a2f2f692e696d6775722e636f6d2f7a366e6a5736632e706e67"><img src="https://camo.githubusercontent.com/fcedf01f3ad583a3e6d6d7099b341c108fb7d943e2bd5a631605468b528e6b75/68747470733a2f2f692e696d6775722e636f6d2f7a366e6a5736632e706e67" alt="" data-canonical-src="https://i.imgur.com/z6njW6c.png" style="max-width: 100%;"></a></p>
<h2 dir="auto">Context</h2>
    
<p dir="auto">It doesn't affect me at all - but I just wanted to show you this because it doesn't look like it's intended and I don't have time right now to dig into Material-UI for pull request</p>
<h2 dir="auto">Your Environment</h2>

<table role="table">
<thead>
<tr>
<th>Tech</th>
<th>Version</th>
</tr>
</thead>
<tbody>
<tr>
<td>Material-UI</td>
<td>1.0.0-beta.13</td>
</tr>
<tr>
<td>React</td>
<td>15.6.1 &amp; 16.0.0</td>
</tr>
<tr>
<td>browser</td>
<td>Version 61.0.3163.100 (Official Build) (64-bit)</td>
</tr>
<tr>
<td>etc</td>
<td>Windows 10</td>
</tr>
</tbody>
</table>