Curtain heading tap

Hi I am looking for curtain heading tape for my Ford Transit Flair.   Been round a lot of material shops but they do not have the heading tape with the small loops at the top which just slips over the curtain rail gliders. Any help would be appreciated ................Bruce

This may be what you are after:

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Anyone else looking for this stuff like we were recently might do as we did. Price per meter was so high £3.10 a meter looked at alternatives, if you take ordinary cheap standard 1 inch tape (20p a meter in market)and fold it along line of string hoops then sew it along with string hoops at top, it works well as long as you tie the ends of string off securely. It also helps to occasionally sew in the string so it is locked along its length now and then! 
Mind you if you don't have a handy motherinlaw/seemstress to do all this stick to the original stuff but in our case that would have resulted in waving good bye to over £30 just for tape!