Uxcell Aquarium Detachable Air Stone Bubbles, Assorted Aquarium Airstone; Color : As Picture Shown Material : Mineral Stone, Plastic; Total Size : 1.7 x 29.5cm/0.7" x 11.6" (D*L) Each Mini Part Size : 1.7 x 2.6cm/0.7 x 1" (D*L) Weight : 113g Package Contents : 1 &times; Aquarium Airstone