Diving for gas bottle holders; We do highlights the sale of high-quality toys and dolls. It is manufactured and designed with the highest quality. Product Description Material: ABS Color: Black Size: Approx. 14.2 x 8.1 inches (36 x 20.5 cm) Package Includes: 1 or Diving Oxygen Bottle Holder Group Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. There are 2 to 3 hundred difference according to manual measurement, please check the size carefully before you buy the item.