I purchased some ULTRA-MATE VELCRO today since I needed some VELCRO with a thin profile for my batteries that I wish to fit in a slot with my Telink SU-29, yet at the time do duty in my other planes like my Multiplex Fun Cub that use a VELCRO strip attachment along the length of the battery.
http://www.velcro.com/index.php?page=consumer-products-adhesive-backed-ultra-mate
I also learned today that the trademaker “VELCRO” should be in all caps:
http://www.velcro.com/index.php?page=patents-trademarks