Compatible with models : Compatible with Apple watch series 42/44/45/49mm Patented bidirectional connectors Strong magnetic attachment for easy length adjustment and secure fit Soft UV treated FKM SILICONE for lasting smooth finish Waterproof and washable
Material: FKM polymer is made from vinylidene monomers (VDF) with a high concentration of fluorine and carbon-based monomers. It is commonly called fluorine rubber or fluoro-rubber.
Resistance: FKM Silicone is excellent resistance to chemicals, oils and heat. This strap is totally different from other silicone straps.
Manufacture: We Made a high-performance elastomer that’s often used in applications where traditional rubber materials cannot withstand extreme conditions. FKM rubber is a premium product.
