Although the description was true, the tablet did not fit and I once measured it: Acer Iconia 501 of 26,2cmx18,2cm has the external dimensions 27,5cmx19cm who pocket the interior dimensions. The only difference is that I have the Acer 501 with docking station. Acer Iconia W501P Tablet 32GB incl. Keydock (25.6 cm (10.1 inches) touch screen, WiFi, UMTS, USB 2.0, Win 7 Pro) Apparently, there are other dimensions for this product. If this is the case would eigentich be noted.
The bag itself looks good, is solid after I first tried to accommodate the tablet anyway. For this price, really recommendable and would strike for a matching bag again.
Addendum 24.12.2011: the P to the 501 makes the difference.