Product details About this item Material Resin Metal type Stainless Steel Clasp type No Buckle Elastic Design About this item [Practical Elastic Design] – It features a unique, stretchable design that’s ultra comfortable and easy to slip on and off your wrist. The watchstrap is MEDIUM size fits 6.3''-7.1” (160-180mm). Please measure your wrist to choose the most comfortable size. [Premium Material] – The Band is made of high-end resin material called acetate, which is high-polished, lightweight, shimmery and exquisite. It’s vibrant color won't fade over time. The watchband adapter is made of long lasting rosegold-plated stainless steel. The resin pieces are connected by strong elastic cord which is flexible, sturdy and durable. [Comfortable Wear] – Designed with lightweight resin, the band offers a smooth, cool feel and is also waterproof and sweat proof. It can go just about anywhere you go. The beautiful resin pieces are really easy to maintain, just use a damp cloth to clean it. It is perfect for everyday wear! [Compatible with All Apple Watch Models] – This fashion watchband pairs with all Apple Watch Series 7/6/5/4/3/2/1/SE. The watch connector is size – 38/40/41mm.