Made from a vinyl which has a 3-5 year rating and are very visible in low-zero light conditions when struck by any source of light. The small size decals are pre-cut to fit any arrow shaft or crossbow bolt and are light enough in weight (1.5 grains) NOT to effect arrow/crossbow bolt flight. These will greatly improve the chances of finding an arrow/crossbow bolt shot in low-zero light conditions. The larger sized decals are pre-cut to fit any type of treestand to assist outdoorsmen find their stands with a little more ease. Each set comes complete with a total of 29 decals: 20 arrow/crossbow bolt strips, 8 larger wraps for treestands and 1 window decal.