23.5 inch RPET/Bamboo Umbrella - 23.5 inch RPET/Bamboo Umbrella - 23.5 inch hand-opened, windproof 190T RPET Pongee umbrella with bamboo shaft, tips and handle. Natural color fiberglass ribs. Manual closure. Bamboo is a natural product, so there may be slight differences in color, pattern and size.