When I first saw these, it was on Instagram and while they were pretty, I wasn’t interested because I don’t like what acrylic nails do to my natural nails. Luckily, I read the caption. They weren’t acrylic. These are Makartt ABS Fake Nails. Let’s get scientific for a moment. ABS is a type of plastic, but it’s more sturdy than most plastics. In fact, it’s likely what your computer’s keyboard is made out of.