SODIAL(R) 5 Pcs Aquariums Clear Plastic Air Stone Tubing Holder Suction Cups by Como Product Name : Aquarium Suction Cup;Color : Clear Material : Soft Plastic;Fit Tubing Max. Dia : 20mm / 0.78" Cup Diameter : 27mm/ 1.1";Total Size : 27 x 30mm/ 1.1" x 1.2" (D*H) Weight : 13g Package : 5 Pcs x Aquarium Suction Cups