White is great for fingerprints, Brown for casings and toolmarks, Transparent - a breakthrough in fingerprint lifting...eliminates reverse prints and allows prints to be scanned DIRECTLY into your computer database! Impressions should be stored at room temperature. Store tubes at 15 - 23'C/59 - 73'F away from heat and sunlight. Each tube includes a specially designed transport case to protect tubes and prevent punctures, and is supplied with 200ml of base and 200ml of catalyst, 2 large mixing pads (9.5” x 6”) and 20 large spatulas.