Uxcell Aquarium Fresh Water Biochemical Filter Sponge, 100cm by 13.5cm by 3cm Product Name : Biochemical Filter Sponge; Material : Sponge Color : White Size : 100 x 13.5 x 3cm/3.2ft x 5.3" x 1.1" (L*W*T) Weight : 30g Package Content : 1 x Biochemical Filter Sponge