U Brands U ECO Gel Ink, Pastel Speckle Pens, 4 Count. At U Brands we are looking for ways to be kinder to the planet. That is why we have created U-ECO a line of sustainable writing instruments. We want to give you an option of a better looking, better performing pen that is also better for the environment. By using renewable and reclaimed wheat straw we reduce the amount of plastic in our pens, lowering our carbon footprint and reducing plastic waste.