Vintage 1940s knit and satin open bottom girdle with four garter clips. There is decorative stitching that looks like tiny polka dots on the knit fabric. This is a "new" old stock item that was recently discovered after decades of storage. No funky odor or other issues from storage. The attached tag is stamped Jul 29 1949, size 27 or medium. 

Measurements (lying flat):

Length 12" front, 12.5" back

Waist 11.5" unstretched

Hips 14.5" unstretched

Bottom opening 14.5"