Thank you all for your fast answers!

Do you mean this
http://sumac.forest.net/prat/pratnew/142.htm
http://www.utrechtart.com/dsp_view_product.cfm?classID=2211&subclassID=221110&brandname=Prat%2FEuropa%20Inc%2E&Item=24642
(Classic Probook 12.5" x 9.5")

or this one?
http://www.utrechtart.com/dsp_view_product.cfm?classID=2211&subclassID=221110&brandname=Prat%2FEuropa%20Inc%2E&Item=24627
(Prat Start ProBook 12.5x9.5)