Compatible with Casio Style Rubber Watchband from deBeer Watch Bands is made from very soft, but durable Silicone Rubber. Fits Casio watches and Casio style watches. 8.25" Long - 6.8mm thick on watch end and 3.5mm thick on buckle end. Shoulder area is 23mm wide. Backside is smooth. Brushed Stainless Steel Buckle.