【Buckle closure】 【Compatible Models】Ocean Silicone Loop compatible for Apple Watch 42mm 44mm 45mm 49mm, iWatch Ultra, iWatch Ultra 2, iWatch Series 9 8 7 6 5 4 3 2 1 SE, Sport, Edition.【Stunning Style】The rugged solo loop is made of Hybird-layer Silicone with seamless Air Cushion Holes, making the strap a continuous part that provides soft cushioning. The high strength Flexible Silcone reinforces the Locks Grips at both ends, and the multiple reinforcement protects the smartwatch design to handle the elements.【Size Adjustable】Sport band is topped with a corrosion-resistant metal Buckle. It slides easily into the loops to adjust the size and fit the wrist perfectly. 49mm/45mm/44mm/42mm:fits 165-210mm wrists size.【Skin-friendly Material】The multi-purpose strap made of high quality Silicone will not irritate the skin under any harsh environment for long periods of time. lightweight, comfortable and breathable. Allowing sweat to escape, drying fast and easy to clean.【Adventure-Ready】Available in a selection of trendy colours. A perfect balance of fashion and function, so you can dress the part for any occasion. This washable, waterproof watch strap can handle the office, the gym, the white water rafting trip, or Ocean Silicone Expedition – Also can be a gift for family and friends.