A tote bag is the perfect everyday bag. Totes are designed with plenty of room for your essentials - exactly what you need on long days in the city.
If you're on a thrifty budget, your best bet is this Brahmin Tote Bag. It's a fantastic item, while not very pricey. Another strong contender for your wardrobe is this Shinola Tote Bag. While the price of this piece is competitive, it will surely attract a lot of attention. You might also want to consider this Sole Society Tote Bag. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
For something in the middle of the price range, you're in luck with this Tod's Tote Bag in stock and waiting for you. You most certainly will love this piece. You might also want to look at this Stella McCartney Tote Bag. It's an attractive option both price and quality-wise. And do check out this Aquatalia Tote Bag! It's a very popular item and good value for money.