The speargun elastic rubber band is made of natural latex for superior performance and to ensure long-lasting use. The top-quality latex is provided by an industry leader and the most sought-after rubber world. The physical properties of the natural latex are better, the quality higher and the colors more vibrant than products manufactured from dry natural or synthetic materials. Outer diameter: 16 mm | 5/8 in. Internal diameter: 3.2 mm | 1/8 in. Red in color. This is the original component of the Cressi Cherokee Fast and Yuma Fast speargun but compatible with any other speargun also of other brands. The Circular Band is designed in Italy by Cressi and made in Mexico. Cressi has been an Italian brand pioneer in freediving, spearfishing, and scuba diving equipment since 1946. The product is covered by a 2-year limited warranty.