This product is a black rubber watch band strap designed for various Casio models such as W-735H, SGW-400H, SGW-500H, AE-1000W, and MRW-200H. The strap has a buckle color of silver and a stainless steel clasp for durability. With a band length of 20cm and a width of 18mm, this unisex watch accessory is lightweight at 0.03kg and is suitable for sports-themed timepieces. Made in China, this two-piece strap is a replacement or upgrade for casual wear.