Colored End Tab Folders, 15Pt. with a 2 Ply Side Tab. Discount Prices on 200 lb. 15 pt. Colored End Tab Folders. This is your heavy duty colored end tab folders material paper weight. By reinforcing the side end tab of the 15 Pt. colored end tab folders, or (2 Ply Reinforcement), you increase the strength of the overall end tab folder, especially the side that you grab the most. Available with your choice of factory applied fastener positions.