This band is designed to firmly hold your Apple Watch 42-44-45-49mm on your wrist. The flexible and light silicone material of this bracelet gives it a smooth surface and is soft to the touch. Its fluoroelastomer secondary material makes it highly breathable and resistant to abrasion and harsh chemicals.Features:• Thanks to its silicone base material, this black Bigben bracelet has a smooth and silky surface which makes it comfortable.•This black Bigben bracelet is easy to maintain: a wipe with a soft cloth and soapy water is enough to keep it clean for a very long time.•This bracelet features a stainless steel magnetic clasp that provides sturdy attachment of your Apple Watch 42-44-45-49mm to your wrist.•This bracelet resists dirt, wear, sweat and heat.