Our long handle coral feeder with 20.47” in total length,make it easy to target feed liquid phytoplankton to corals or other invertebrates and aquatic animals,quick to clean your aquarium and change water without wet your hand, Convenient to control and allows you to directly feed your sea squirt, filter feeders and timid fish with ease and comfort. Specifications: 1.Material: high quality arylic and rubber 2.Length: 10.5” for small tank,20.47”(assemble together)for large aquarium 3.Capacity:covered with 10mL, 15mL, 20mL ,30mL and 1/4, 1/2, 3/4, 1 FL Oz measurement 4.Suit for: coral feeder,feeding fish,clean and change water for fish tank