Protective Case Product Type Protective Case For Use With (2) 17 L (2) 29 L (2) 34 L (2) 58 L Calibration Gas Cylinders Housing Material Nylon Inside Height 4 in Inside Length 13 in Inside Width 9 in Color Green Exterior Height 4 in Exterior Length 13 in Exterior Width 9 in Features Padded Includes Front Accessories Pocket