McKesson Drain Split Sponges. 4 inch x 4 inch (10.2 cm x 10.2 cm), 6-Ply. Sterile. Offers easy application around drains, chest tubes, catheters, tracheotomies, and I.V.s. Excellent absorption with virtually no linting. Fast wicking and superior absorbency. Strong and durable. Non-woven poly/rayon blend. Single Use. Not Made With Natural Rubber Latex. Packaged: 2 Per Pack, 25 Packs Per Box.