Ship to you in twenty hours Strap+case set Samsung Galaxy Watch 4 40MM / 44MM / Classic 42MM / 46MM strap, TPU bracelet accessory with screen protector. feature: 1. Strap width: 20mm. 2. Strap material: metal stainless steel 3. High-quality stainless steel, finely polished and anti-corrosion, and the strap is fully adjustable. 4. Classic buckle, there is a special buckle, which allows you to keep the watch safe while changing the strap. Use the included tools to easily adjust the length of the strap. 5. Strap length: the adjustable range of the strap is 130mm-180mm (the minimum length is 130mm, the maximum length is 180mm). 6. Case material: soft TPU case.