Length: Approximately 350 cm, Width: Approximately 30 cm No seams at the ends of the obi. Material: Mostly silk, but other materials may be mixed in. This is a bulk sale, so please understand this before purchasing. I am not a professional, so I may not be able to answer questions about the products. Please refrain from purchasing if you are looking for a perfect item or are overly sensitive. I will respond quickly, politely, and with sincerity. Thank you. #NekoNoKimonoYa (Cat's Kimono Shop)