Speedy Stone by SMARNOLD sweeps away unwanted pet hair from auto interiors, such as fabric. upholstery and carpet. Not for use on vinyl, plastic, leather, wood, metal or other hard surfaces. Before first use, test in an inconspicuous area. To use, make gentle sweeping motions on the surface of the fabric, upholstery or carpet and watch pet hair cling to the stone. To clean and wipe away residual pet hair. SM Arnold Speedy Stone is 1.5 in x 2 in x 6 in