Dental Assistant Chair With 360 Degree Rotation Armrest PU Leather Height AdjustableDental Assistant Chair With 360 Degree Rotation Armrest PU Leather Height Adjustable. This chair is made out of PU leather or micro fiber leather, high density rebound foam inside, and superior injection plastic board underneath to offer you a perfect and comfortable support. Five star sturdy base with durable wheels ensures smooth sliding with no noise and makes for smooth, easy, and safe full swivel while assisting patients or clients. Overview