Black Silicone Sport Strap for Fitbit Air, Adjustable Replacement Wristband Waterproof Skin-Friendly Watch Band Men Women, Secure Buckle Running Yoga Gym Daily Sports

【One Size Fits Most, Extra Adjustment Holes】 Upgraded with extra adjustment holes, this silicone strap for Fitbit Air adopts a one-size-fits-most design to solve size matching troubles. Optimized hole layout enables flexible tightness adjustment, no more loose on small wrists or tight for large wrists. Perfectly fits wrist circumference from 6.5–8.5 inches (165mm–215mm). 【Waterproof & Sweatproof, Easy to Clean】 This silicone replacement wristband is compatible with Fitbit Air. Reliable waterproof performance stands up to sweat, showering, swimming, gym training and daily hand washing. Smooth silicone surface repels water and sweat, prevents odor and stains after long-time wearing. Just rinse with water to keep clean. 【Ultra-Flexible & Skin-Friendly Silicone】 Made of elastic premium silicone, the wristband features silky smooth surface without sharp edges. It won’t scratch or pinch your skin, lightweight and zero-burden for all-day wear. No stiff friction or irritation even during long-time use. 【Secure Lock Buckle for All Kinds of Sports】 Equipped with stable secure-lock buckle to fasten firmly during high-intensity exercise. It maintains comfortable and steady fit while running, yoga, weight lifting, cycling and other strenuous workouts. Great fitness accessory for people with active lifestyles. 【All-Day Comfort, Suitable for Sleep Tracking】 Premium silicone material is gentle for sensitive skin. Ultra-light structure reduces pressure on wrists, can be worn overnight for sleep tracking. Smooth matte surface brings lasting cozy comfort for daily and long-term use.