The Multi-barrier Pouch is constructed out of seven laminated layers that protect the card from exposure to any gaseous or liquid external element. The tamper-evident seal maintains sample security and the outer paper layer can be used for labeling or writing. 100/pkg
Specifications
Small (for all smaller FTA® cards) - 3.7" x 3" (9.53 x 7.62 cm)
Large (for all Classic FTA® cards) - 4.4" x 6.5" (11.11 x 16.51 cm)