Metallic Marker Color 292. After fixing at 160 degrees in the oven, the marker is waterproof, odorless, and does not require pumping or shaking. The ink is water-based in the color ice ice blue and is waterproof. The writing tip has a line thickness of 1.5 mm and is a round fiber tip. The barrel is made of plastic, has a clip, and a removable cap. The color of the barrel is black.