This classic plain watch strap is compatible with 38/40/41 mm and 42/44/45/49 mm smartwatches. The strap is available in sizes S and L to comfortably fit a variety of wrist sizes. For 38/40/41 mm, size S has a length of 97 mm + 110 mm and size L 97 mm + 132 mm. For 42/44/45/49 mm, size S has a length of 97 mm + 117 mm and size L 97 mm + 142 mm. The timeless, minimalist, single-colour design creates a stylish and versatile look, suitable for everyday use, sports, and work.