If you're on a thrifty budget, this The Upside Tank will fit the bill. It's a fail-safe choice, while not very expensive. In this price range, you can also check out this H&M Tank. It's an item you'll love which also doesn't cost too much. You may also want to look at this Amanda Uprichard Tank. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for a bargain, you're in luck with this Misook Tank in stock and waiting for you. You are guaranteed to fall in love with this product. It's also worth considering this Nic+Zoe Tank. This piece is ultra popular and, just as importantly, not too pricey. Look at this adidas by Stella McCartney Tank too! Great value for your money.
If you're not a thrifty type, then what you're looking for is this Derek Lam Tank. It's more expensive but worth your money. Another product we're drooling over is this Ginger & Smart Tank. It's costly but you get what you pay for. Another great option is this Fuzzi Tank. You won't regret the money spent!