$(document).ready(function() {
    $('.selectpicker').selectpicker({
        style : 'btn-info',
        size : 4,
        iconBase: 'glyphicon',
        tickIcon: 'glyphicon-ok'
    });
});

<div class="col-md-6" style="width:100%;margin-bottom: 10px;">
    <div class="input-group" style="width:100%;">
        <span style="width:50%;" class="input-group-addon" id="basic-addon1">Are you ok?</span>
        <select class="selectpicker" name="object_example" >
            <option value="1">True</option>
            <option value="2">False</option>
        </select>
    </div>
</div>