Rectangle Definition, Properties, Formulas Free Printable Rectangle Shape Freebie Finding Mom Rectangle Formulas Definition Examples Rectangle shape Rectangle ClipArt ETC Geometric shapes, rectangle vector icon illustration 23020133 Vector Rectangle border png, Rectangle border png Transparent FREE for. 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.