Model E5XY Quantity 1 piece(s) per pack Color Black + Green Material Plastic + sponge + magnet Specification Specially designed aquarium magnetic cleaner with durable plastic construction; The inside magnet surface is rough to scrap the algae the outer magnet has a velvet surface to polish the outside of you aquarium; Good absorbing ability and powerful magnetic attraction. Move the outer magnet the inside magnet follows hence cleaning the glass; Keep hands dry while scrubbing away nuisance algae; Works for both freshwater and saltwater glass and acrylic aquarium. Packing List 1 x Magnetic brush