COMPATIBLE MODELS： Compatible with Apple Watch Ultra 3/2/1 (49mm), Series 11/10 (46mm),Series 9/8/7 (45mm), Series 6/5/4/SE/SE2 (44mm), and Series 3/2/1 (42mm) models, and fit wrists from 7.01 inches to 8.66 inches (178-220mm). PREMIUM LEATHER：Watch band are made of grain cowhide, the material is soft, and skin-friendly, some of the products may be a little bit stiff when you use them for the first time, and they will become softer and softer after a few times of use. Each Watch band is carefully handmade and a versatile accessory for casual and formal wear. Retro Design：The watch band is personalized with grained cowhide, cut and sewn in one piece on the front and back, and there is no sandwich in the middle, giving it a vintage, distressed and sophisticated look from the inside out。Over time, it develops a rich and varied hue, and each bump and scratch adds a unique charm, leaving behind a one-of-a-kind mark of time 【Easy to Install】The clasp and connector are made of premium stainless steel, polished for a smooth feel, and are sturdy and durable. Simply slide it into the Apple Watch slot for easy installation and wearing Customer Service：We are committed to providing the premium service to our customers, if you receive a defective product or have any questions, please feel to contact us, our customer service team will solve your problem within 24 hours and a solution that satisfies you