Compatible Watch Models: Perfect Compatible with Citizen Hyper Aqualand Duplex Promaster Men's Dive/20mm Lug Width Sports Watch, Product Include: 1×20mm rubber strap replacement + 1× strap removal tool + 3× quick release spring lever + strap outer packaging. Using the included replacement tool, you can quickly install the strap. Select The Appropriate Width: Compatible Replacement for Citizen Hyper Aqualand with dimensions of 20mm band straps, Measure the size near the strap buckle or the inside of the strap. High Quality Materials: High quality Leather material, waterproof and sweatproof, dust-free replacement compatible Hyper Aqualand 20mm watch strap Have any questions on how to choose the size, please contact customer service