Children's Canada Standard Sizes 2 to 6X Sleepers, One-Piece and Two-Piece, Regular Range - Dimensions
This standard applies to the dimensions considered essential to provide for the
fit of regular and blanket type one-piece sleepers and two-piece sleepers made
from stretch or non-stretch fabrics that are intended for wear by little girls
and little boys (CSS Regular Range, sizes 2 to 6X).