I purchased this at the Fukaya outlet about two years ago. It is definitely authentic. I used it only once, but haven't had a chance to use it since, so I've been storing it. It comes with an adjustable strap. Color: Off-white Material: Leather 3 card slots Size: Approximately 12cm (height) x 7.5cm (width) Please understand that there may be some slight variations due to amateur measurements. It's in beautiful condition, but please understand that it is a used item. If you are concerned about authenticity, please use the "Anshin Kantei" (Authenticity Appraisal) service.