NOM-133/1-SCFI-1999

Children’s Products – Operation of Walkers for Infant Safety – Specifications and Test Methods.
Establishes the safety specifications and test methods that walkers intended for normal infant use must meet for sale in the national territory.

Walker:
A mobile or immobile unit or device that, although not a toy, allows an infant to develop psychomotor skills in learning to walk.

The product is classified in an enunciative but not limited manner, into 4 types:

Type 1 – X-fold walker

Type 2 – Adjustable-height walker

Type 3 – Rocking walker

Type 4 – Fixed walker

NOM-133/1-SCFI-1999

Consult the official document