Kids Page: Rectangle Shapes Teaching Activities Clipart Blue 3D Rectangle Rectangle, shapes, shape, Element, Rectangular, Geometrical Shape Clipart simple green rectangle Geometric shapes, rectangle vector icon illustration 23020133 Vector. Durable and dependable classroom storage that is designed and constructed to withstand daily classroom use. Our Rectangular Basket is made with a natural wicker color to fit into any classroom or home decor. Made of woven plastic, this rectangular basket is made with handles and is dishwasher safe making cleaning simple and easy. Organize your classroom quickly using this basket measuring 13" L. x 11" W. x 6 1 2" H.