It is rubberized...and crawl safe...
http://www.facebook.com/photo.php?fbid=10150211423028153&set=a.10150211415983153.322235.502888152&type=1&theater
http://www.facebook.com/photo.php?fbid=10150211422913153&set=a.10150211415983153.322235.502888152&type=1&theater