If you're on a thrifty budget, your best bet is this Zella Tank. It's a fantastic piece, while not very pricey. Another strong contender for your wardrobe is this Yummie by Heather Thomson Tank. While the price of this piece is not very high, it will certainly attract a lot of attention. You might also want to consider this Ivy Park Tank. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking for a good deal, look no further than this Ella Moss Tank. This item won't break the bank, but absolutely essential in your wardrobe. You might also want to consider this Nic+Zoe Tank. It's an attractive option both price and quality-wise. And do check out this AG Jeans Tank! It's a very popular item and good value for money.
If you can afford to splurge, then you absolutely must check out this Vince Tank. This item seems expensive, but it's worth it. While you're at it, also have a look at this Eileen Fisher Tank. Yes, this item is expensive, but it does not mean it's not worth it. And how about the luxurious Kate Spade Tank? Yolo, right?