uxcell 10 x Black Silicone 38mm Dia Aquarium Suction Cup Airline Tube Holder Product Name : Aquarium Airline Holder;Feature : Suction Cup Fit Airline Diameter : 20mm / 0.8";Suction Cup Diameter : 38mm / 1.49" Material : Silicone, Plastic;Color : Black Weight : 49g Package Content : 10 Pcs x Aquarium Airline Holder