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 a bargain hunter, look at this Gucci Tote Bag. While the price is very reasonable, this piece is an easy wardrobe update. You might also be interested in this Gucci Tote Bag. It's an attractive option both price and quality-wise.