I have a standard model now wich mounts on the backstop of my 6 mm tubing rack. dimensions 23 x 16 x 20 (w x d x h), or 26x 20 x 20. rolltop front pocket, 2 side pockets (elastic cord, or buckles) and 2 velcro rear pockets. map sheet on top plus 2 elastic cords.

It’s possible to make it fit you rack and backstop.

Made of challence sailcloth, x-pac, or waxed canvas.

Larger sizes: look at semi rolltop porteurbag here on the site.

(FOR ORDERS TO UK EXCEEDING 150 EURO INCLUDING DELIVERY, PLEASE SEND EMAIL)

http://timtas.nl/about/about-the-workshop/

http://timtas.nl/colours/