1. 20mm leather strap compatible with Samsung Galaxy 4 - 40mm watches. (Fits any watch with a 20mm band)2. Material and Manufacture: Made of high quality silicone leather band with stainless steel buckle. Stylish and unique, smooth leather surface, super soft and comfortable.3. [Easy to Install and Length Adjustment] With watch lock quick release pins make it easy to install and remove. Multiple replacement holes for adjustable length, you can easily adjust the length to fit your wrist without tools.4. [Bracelet Maintenance] Please avoid frequently immersing the leather band in water, it is recommended to avoid contact with water, oil, coffee and milk. Please dry it with a soft cloth after getting it wet.5. Perfect Gift: A variety of colors for you to choose from, elegant and convenient. Very suitable as a gift for Birthday, Valentine's Day, Mother's Day, Christmas, Thanksgiving, etc.