Multiple Fashion Color Options There are different popular colors apple sport band to personalize your apple iwatch and fit your mood, outfit in daily life, dress up your apple iWatch and highlight your unique taste. Size Available 38mm/40mm/41mm for 5.6"-7.1" (140-180mm) 42mm/44mm/45mm for 6.2"-8.3"（160-210mm) Please choose the correct watch model and size for yourself Waterproof & Breathable Air-holes sport structure makes the strap more athletic appearance and breathable. smooth to the touch, skin-friendly and comfortable, dust and water resistant Seamless Fit The sport band comes with watch lugs on both ends, which locks onto apple iWatch interface precisely and securely Soft & Flexible Made from high-performance soft silicone, prevents skin from irritation, smooth, dense, durable, lightweight ,flexible Specially designed for workouts, swimming, cycling, climbing, hiking, camping, running, traveling and more outdoor activities