Sira is a stackable seat with a 4 legs frame made of steel tube with non-slip and self-levelling glides. Seat and backrest are available in different versions. The chair has steel armrests and its elbow rests are from shock proof and scratch resistant black plastic. Sira has a painted or chrome-plated frame. Optional is a foldaway and anti panic writing tablet. The writing tablet is attached to armrest with an aluminium articulated joint. The writing table is assembled on the right armrest or on the left armrest on request. An accessory basket is available in black or grey painted steel wire.