Silicone straps for the Apple Watch offer a lot of grip and hold well if you wear your Apple Watch during exercise. The straps are also easy to clean. Most silicone or rubber Apple Watch straps are water-resistant, so you can wear them while swimming or showering. Silicone straps often close with a pin closure or a classic buckle. That makes them easy to adjust to your wrist circumference. When choosing a silicone or rubber strap, make sure you choose the right size for your Apple Watch. The Apple Watch 38mm also fits straps for the Apple Watch 40mm and vice versa. On the Apple Watch 42mm, you can also wear straps that fit on the Apple Watch 44mm and vice versa.