The sophisticated forms, material production, and muted color palette of the Formwork Collection (2013) reflect a level of thoughtfulness rarely brought to office desk accessories. A mix-and-match array of options lets you organize papers, tools, and other necessities in the way that works best for you. Eco-Friendly Description: UL GREENGUARD® certified products are certified for low VOC emissions, which contribute to the creation of healthier indoor environments. Two tiers of certification are available: GREENGUARD Certification and GREENGUARD Gold Certification.