Latex-Free Hydrophilic Sponges

Recommended by a conservator, these latex-free polyurethane foam sponges are ideal for cleaning any number of delicate surfaces. They are made with a hydrophilic material formed by the chemical reaction of a glycol and pre-polymer with water. In the formulation, the excessive ratio of water to reactants assures no residual toxic residue. Measurements: Block: 5.2 inch x 3.54 inch x 1 inch ; Each: 1.77 inch x 0.74 inch x 1 inch (44.95 mm x 18.79 mm x 25.4 mm). Individually wrapped. Price per block.