Feature:1. Applicable Scenes: Wreck cave dive triangle line arrow marker is applicable to technical diving, scuba diving, cave wreck diving, etc.2. ABS Material: Scuba dive triangle line arrow marker is made of ABS material, with compact structure, light weight, corrosion resistance and durability.3. Eye Catching Color: The scuba dive wreck cave dive line arrow marker has eye catching color, which is easy to discover underwater, and easy to use.4. Used with A Guide Rope: Scuba dive line arrow marker is usually used in conjunction with a guide rope for safe entry and exit of caves or sunken ships.5. Good Workmanship: Exquisite workmanship, beautiful appearance, small and portable size, providing you great using experience.Specification:Item Type: Dive Line MarkerProduct Material: ABSWeight: Approx. 20g / 0.7oz.Package List:4 x Dive Line Marker