Buckle closure ️ The cartoon band fits most versions of the Apple Watch. Sizes include 45mm/44mm/42mm/41mm/40mm/38mm and models include SE/SE2/Series 8 7 6 5 4 3 2 1. ️ Small cartoon band fits 160-210mm wrists and large cartoon band fits 180-230mm wrists. Please choose according to your wrist size. ️ Our products are made of high quality silicone, with excellent waterproof performance. You can wear it in different occasions, such as swimming, running, studying, shopping, parties and more. ️ We use Apple's original band for 1:1 mold making to ensure that the strap can perfectly match your watch. It is easy to install and remove. ️ The buckle of the band is made of high-quality stainless steel, which won't rust or be squeezed. And we use heat transfer technology to ensure that the pattern won't fade in daily use.