... &breathable2.low allergenic&absorbent3.bacterial proofFeatures of sterile adhesive wound dressing:1.good air permeability&sterile2.excellent biocompatibility&perfect ... this products is applied to dermal ulcer, bedsore,burn, scald, wound, surgical cut and to absorb tissue effusions.construction of sterile ... needed Size : 5x7cm,6x8cm8x10cm,9x15cm,9x20cm,9x25cm,9x30cm,9x35cm surgical wound dressing