White Leather Crossbody Bags from Gilt
If you're a frugal shopper, this Milly Cross Body Bag will fit the bill. It's a fail-safe choice, while not very pricey.
If you're looking for something in between pricewise, look no further than this Longchamp Crossbody Bag. This item doesn't cost the earth, but definitely deserves a place in your wardrobe.