If you'd rather not spend much, we recommend looking at this Zella Tank. It's a popular product for a reasonable price. Another good option is this Nic+Zoe Tank. While the price is not very high, be sure that this item will become an excellent addition to your wardrobe. You may also want to look at this Lush Tank. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for something in between pricewise, we recommend considering this Rag & Bone Tank. While the price is very reasonable, this product is an easy wardrobe update. Why not also consider this BILLY T Tank. It's an attractive option both price and quality-wise. Alternatively, opting for this Maison Margiela Tank is a great choice as well!