Chair Swing safe,micro-computer technology, passed EN12790-2009,ASTM F2088-2009 Model:TY-801Gross Weight:10.5KGNet Weight:9.5KGCarton Packing Meas.47 ... center of gravity in different position maintains and stabilize specified swing speed,promote the healthy growth of babies *3 position recline ... toy bar and pillow*With EN71,CE,EN12790,ASTMF2088 certificate Chair Swing TY-801