Crafted from high-quality, high-performance FKM fluoroelastomer rubber, this CTF-30094739-16006223 CASETiFY Bounce Band for Apple Watch 38mm, 40mm, 41mm and SE (All Series) features geometrically shaped ventilation channels that enhance breathability while providing exceptional comfort for both everyday wear and high-intensity workouts. The Bounce Band is highly durable and water-resistant thanks to the natural properties of FKM, which is capable of withstanding exposure to water, sweat, oil, extreme temperatures, and sunlight. Easy to clean and maintain, you can be sure your band will look as good as new even with the sweatiest of workouts and daily wear. Featuring a durable buckle design inspired by CASETiFY’s signature ring, your watch stays secure and comfortable with the sturdy pin-and-tuck closure for convenient and easily adjustable fit.