If you're not planning on spending much, this Jonathan Adler Tote Bag will fit the bill. It's a fail-safe choice, while not very expensive. In this price range, you can also consider this Tote Bag. It's also a popular item and won't break the bank. You might also want to consider this Isaac Mizrahi Crossbody. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.