The Rubbermaid FGG78112 PVA sponge mop refill is a polyvinyl alcohol (PVA) sponge mop head for use with Rubbermaid G78004 PVA sponge mop (sold separately). PVA sponge is highly absorbent and resists abrasion, and this mop head has horizontal grooves to lift dirt off floor surfaces. This mop is suitable for commercial and industrial applications. The mop head measures 2.2 x 4.2 x 12.8 inches/5.6 x 10.7 x 32.5 cm (H x W x D). (H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.) Sponge mops are sponges affixed to a long handle, and sometimes include features such as scrubbers or wringers. The sponges used are generally synthetic and absorbent, and sometimes the mop heads can be replaced when worn or dirty. Rubbermaid manufactures cleaning, organizing, and material handling products for commercial, medical, and industrial applications. The company, founded in 1933, is headquartered in Huntersville, NC.