Our fish tank suction cups, which are made with wear-resistant and durable material, are amazing for fish tank and aquarium use. Sturdy and strong adsorption force, very durable for long using time. The round cup design can create a vacuum space and has strong adsorption. Features - Color: Transparent. - Material: Plastic. - Size: About 4.50X4.50X4.50cm/1.77X1.77X1.77in. - Replace the old and worn down fish tank fixed suction cups timely is essential for your aquarium maintenance. - Can be used to fix on the smooth glass surface of the fish tank and aquarium tank. - Made of premium PVC material, sturdy and durable to use for a long time. - With strong suction, very simple and easy to install and remove, the round ring for easy operation. - Transparent suction cups, round cup design can create a vacuum space and has strong adsorption. Packing list12 x Aquarium Suction Cups