the outer sheet 34 the intermediate liner 32 and the padding 30 the second sidewall 16 further includes a pivoting seam 16 d which allows the second sidewall 16 to fold inwardly indicated by directional arrow u201c c u201d toward the opposing fourth sidewall 20 when a force u201c f u201d indicated by direction arrows u201c f u201d is applied to the first or third sidewalls 14 or 18 or is applied to both the first and third sidewalls 14 and 18 an inward folding of seam 16 d and the complimentary inward folding of seam 20 d described below results and allows the bassinet 11 to collapse into a flattened and compacted configuration convenient for transportation the fourth sidewall 20 includes an interior portion 20 a integrally coupled with a coplanar exterior portion 20 b and sharing a coplanar common wall 20 c which serves as the rear support for the interior and exterior portions 20 a and 20 b the interior portion 20 a includes the outer sheet 34 the intermediate liner 32 and the padding 30 the fourth sidewall 20 further includes a pivoting seam 20 d which allows the second sidewall 20 to fold inwardly toward the opposing second sidewall 16 when a force u201c f u201d indicated by direction arrows u201c f u201d is applied to the first or third sidewalls 14 or 18 or is applied to both the first and third sidewalls 14.