20mm Size Band for : iT@ouch Sport 4 / Sport 3 / AIR 3 40MM Smartwatch 24mm Size Band for : IT@OUCH AIR 4 41mm / 46mm / Air 3 44mm Smartwatch Sizes: The silicone magnetic watch band is bands availables that fit wrists from 5.5 inches to 8.7 inches (140mm-220mm). Tip: Please check the size on the back of your watch to ensure the correct fit N54 Powerful Ma@gnetic & Safety Loop Design: Upgraded with N54 magnets, our Watch band offers 30% stronger hold than bands using N52 ma@gnets, ensuring greater stability during intense activities. The secure ma@gnetic adsorption and detachable safety loop provide double protection, so whether you're running, working out, or exploring outdoors, your watch stays firmly in place without compromising comfort Comfortable, Soft, and Durable: Crafted from premium silicone, our band is soft, skin-friendly, and waterproof, ensuring all-day comfort—whether in rainy weather or at casual and formal events like the office, parties, or business meetings. Additionally, it's scratch-resistant, wear-resistant, and easy to clean, maintaining a fresh, new look even with everyday use 1