Genuine Powis Parker Fastback Super Strips. Available in A4 and A5 lengths, for use with Fastback 20, Fastback 11, Fastback 15E, XS, and 15X thermal strip binding machines.
The Fastback Superstrip is a rugged glue binding strip with a clean linen type finish, which is available in a range of colours.
The Superstrip is the most common type of binding strip for the above fastback binder models, and they are available in three thickness sizes including Narrow, Medium, and Wide.
If you have difficult to bind papers then you may need to use the Powis CP binding strip, which has a strip of center glue that is formulated for extremely aggressive adhesion.