Soft & FlexibleMade from high-performance soft silicone, prevents skin from irritation, smooth, dense, durable, lightweight ,flexible | Seamless FitThe sport band comes with watch lugs on both ends, which locks onto apple iWatch interface precisely and securely | Waterproof & BreathableAir-holes sport structure makes the strap more athletic appearance and breathable. smooth to the touch, skin-friendly and comfortable, dust and water resistant |