Use these glow-in-the-dark patches to create various markings for low-light conditions. Features This set includes two 25 x 25 mm squares, two 20 x 50 mm lines, and one 50 x 50 mm square, which you can use to create your own markings and symbols on your gear. The hook & loop patches attach to the loop panel on the back of your helmet, your combat vest, or backpack. Five glow-in-the-dark patches Big square 50 x 50 mm / 2.0" x 2.0" Two small squares 25 x 25 mm / 1.0" x 1.0" Two lines 20 x 50 mm / 0.8" x 2.0" Hook panel backside Laminated and sewn to prevent de-lamination NSN: 9390-58-002-0061 These are made using a high quality photoluminescent material, the same stuff Savotta has been using in various military applications for a few decades. This stuff is fairly effective and has a very long service life. The photoluminescent material is phosphor-free, non-radioactive, and non-toxic. Luminance, mCd/m2: 150/22 (10/60 min after light outage, 35 hours to total decay). Savotta offers a 2 year material and workmanship warranty. Made in Savotta manufacturing facility in Finland.
