Isosceles Triangle Shape Triangles Hoodie Scalene Triangle Shape Right Angle Triangle: Definition, Properties and Formula Math Shapes: An Overview, Practice Problems & Worked Examples. The Triangle Belt Bag is characterized by its triangular shape and points its practicality in its size. Zipper closing Double handle 100% Up cycled Leather Cotton lining, with internal slip pocket Product reference: A23031TB02 The Triangle Belt Bag is hand crafted upon order and will therefore be shipped within four to five weeks from the time the order is placed.