Fits Following Models:
mamaRoo 1.0 (4M-005) manufactured 2010 through 2012
mamaRoo 2.0 (4M-005) manufactured 2012 through 2015
mamaRoo 3.0 (1026) manufactured 2015 through 2017
mamaRoo 4.0 (1037) manufactured 2015 through 2022
mamaRoo 5.0 (1046) manufactured 2022 through present