Artificial long lasting spring flowers with 5 stems of flowers per bundle - 13" Tall x 2" flower - PU real touch feel flowers, leaves, and bendable stem - Material: PU PU, latex free. The invention of PU flowers used polyether polyurethane (PU) foam instead of plastic or silk to offer a more natural look and feel, which sometimes can be mistaken as a real flower. Waterproof.