You can do something like this if the $selected_type holds the selected values
<div class="checkbox">
<label>
<input type="checkbox" value="contact" name="type" @if (in_array($item->id, $selected_type)) checked="checked" @endif> Contact
</label>
</div>
Or if you find this more readable
<div class="checkbox">
<label>
<input type="checkbox" value="contact" name="type" {{ (in_array($item->id, $selected_type)) ? 'checked="checked" ' : '' }}> Contact
</label>
</div>
Note: you use a double label around your checkbox, you only need one ;)