This is a rubber strap compatible with a wide variety of watches, including the HUBLOT Big Bang. It's soft and fits comfortably, making it perfect for everyday wear. It combines flexibility, durability, and water resistance. Replacement tools and spring bars are also included. Product Details: Compatible Brands: Can be used with various watches if the size is correct. Material: Silicone rubber Color: Black Sizes: Long side: Length approx. 98mm / Width approx. 25mm (connection) - 22mm Short side: Length approx. 80mm / Width approx. 17mm (connection) - 22mm Accessories: Spring bars x 2, Replacement screwdriver x 1 *This is a universal type, so adjustments may be needed for installation depending on the model. *Please check the images before purchasing. Please refrain from purchasing if you are sensitive to items stored at home.