For a limited time, you can snag yourself a 64GB EVO microSD card for $27.88 (60% off), which is a great price to pay for a chip that not only offers super snappy transfer speeds, but is also waterproof.
If you want to take advantage of this promotion, tap the Buy Now button. Be warned, though — Amazon only has a limited amount of inventory available for this specific deal and once it's gone, it's gone.