CarraDres Clear Hydrogel Sheet 4x4

A 4" x 4" sterile hydrogel polymer sheet consisting of 89.5% water in a 10.5% cross-linked polyethylene oxide matrix. It is backed with an inert low density film that controls water vapor transmission during storage and makes the gel easy to handle. It has a high specific heat to provide a cooling effect, is hydrophilic, and will absorb three times its weight in blood, serum or water.