Safco Extended Drafting Stool, Black

5 Caster - Allows for smooth mobility 5-star stylish base Comfortable seating Drafting Chair - Draft and draw comfortable for extended time periods thanks to its comfy design Features Pneumatic Adjustment GREENGUARD certified - certified for low chemical emissions: UL.COM/GG - UL 2818. Ranked in two tiers: Certified and Gold. Less harsh chemicals - made with fewer harsh chemicals, or safer chemicals than typical alternatives, helping reduce your use of and exposure to substances that may be more harmful to your health and the environment.