Can anyone help me find a rectangular shape backpack/rucksack, kind of similar to a kanken one [[http://www.urbanoutfitters.com/uk/catalog/productdetail.jsp?id=5771452056316&color=040&cm_mmc=UK-Google-UO-PLA-_-Product_Listing_Ads-_-PLA-_-007670425&istCompanyId=fd4154a9-4cdd-4aee-99fd-6824ddc5112b&istItemId=pmrtlaqmr&istBid=tztx&gclid=CMOC4-iy7MQCFa7JtAod4RQAwg here]] but less overpriced or cath kidston shape [[http://m.cathkidston.com/backpacks/rainbow-rose-backpack-1014970 here]] but less twee?