vegetable tanned leather, brass buckle, brass rivetsDescriptionThis leather strap is the perfect way to carry your yoga mat , blanket and sleeping bag , the loop of strap are fully adjustable with the sliding design ,so it will fit most size of mat . we make it using luxucy vegetable tanned leather and high quality brass rivets & buckle.It will free up your hands in style! also would be a great gift for a yogi! ***** Shipping *****We offer Standard shipping service and DHL Express service ,you could choose it in optional menu when you check out ,thank you .* Standard shipping service: 9~12 business days to delivery * DHL Express: 3~5 business days to delivery ( a contact phone number is required by express ,please write us by message ,thank you )