USP Type VII Gauze Sponge Cotton 16-Ply 4 X 4 Inch Square Sterile10 per tray, 128 trays per case Sterile, 100% cotton, USP Type VII woven gauze sponges are ideal for wound dressings, wound packing and general wound care C fold design helps minimize loose threads and lint Strictly controlled manufacturing assures clean, debris free packing with folded edges to prevent unraveling; easy open envelopes are carefully sealed to prevent the intrusion of dust and contaminants Sterile 10's feature strong, rigid trays