KOSOX Silicon Replacement Wrist Band for Apple Watch (42mm Blue hole) Compatible with Apple Watch 2015 Released 38mm / 42mm only. Well designed, engineered and manufactured from high quality synthetic rubber to fit 140-210mm wrists, Nice Touch Feeling & Stainless Steel Buckle. Full access to all ports and buttons. Precise cut holes to fit well for most wrist, Incredible fit and comfort for fitness lovers and everyday use. No hassle, super easy to remove the old one and replace with this one.