The Dritz Adjustable Slide Buckles are designed to make straps adjustable to any length providing you a comfortable fit. The buckles have a rectangle shape with a moveable center bar that slides to one side and locks the strap fabric into place. A must have for bag and purse construction. Details: Silver 1" (25 mm) 12 pieces For 1" wide straps making adjustable purses, bags, backpacks and luggage Moveable center bar grips fabric and slides to one side to lock fabric into place Buckles are ideal for converting straps on bags from a shoulder to a cross-body bag Larger quantity for use with multiple projects packaged in reusable zipper storage bag Nickel