- Oxide Design, Co. has collected and curated this latest collection of stunning letterheads and logos. From logos to labels, business cards to envelopes, the creative techniques and full-color images portrayed in this broad range of work inspires new design solutions for age-old challenges that beg for a fresh approach. This invaluable resource contains hundreds of inspirational logos and letterheads that will leave a lasting impression and that both designers and their clients will refer to again and again.