Graham Medical Tissue-Poly Exam Gowns. Blue, 30" x 42" Tissue-Poly or Tissue-Poly-Tissue. A step above 3-ply tissue gowns, these knee-length gowns contain a thin layer of poly buried between the soft tissue layers. These exam gowns offer additional strength and fluid resistancy. Front/back opening. 50/CS. Priced per case. See "options" above for T/P/T or T/P exam gowns.