Mares XR Cave Line Arrow 5 Pack MADE FROM INJECTION MOLDED, DURABLE ABS SUPPLIED IN PACKS OF 5 CORNERS REMOVED FOR EASE OF USE, LINE GUIDING CURVES AND GROOVES, HOLES FOR RING / IDENTIFIER CLIPPING, DEDICATED SURFACE FOR MARKING USED FOR ORIENTATION AS A VISUAL AND TACTILE REFERENCE ON A GUIDELINE 3 DIFFERENT TYPES: LINE ARROWS TO INDICATE DIRECTION, COOKIES TO DENOTE A JUNCTION, NON-DIRECTIONAL MARKERS REFERENCE A SPECIFIC SPOT