Assets by Sara Blakely Fantastic Firmers Full Slip (257) Outer shell: 81% nylon, 19% spandex Mesh lining: 82% nylon, 18% spandex Country of origin: Imported. Elastic along top edge is 5/8" wide. Center front is 28-1/2" tall. Center back is 29" tall. Removable twinned elastic straps are 3/8" wide and adjust in the back with plastic hardware.