Artist quality, acid free. Anybody here use them? What is the quality? Tell me about them. I was gifted several colors, and know nothing about them. I don't often use cps, though I have many from over the years...These were bought on sale, 3 in a box. They "blend magnificently! You can easily layer our colored pencils to create colorful artwork with great depth to achieve drawings with impressive realism" from https://arteza.com/products/expert-colored-pencils-bright-tones-single-color-3-pack