Feature:1. Compact And Lightweight: The cave diving line maker is made of ABS material, ensuring compactness and lightness, making it easy to carry and use underwater.2. Easy Visibility: The diving line maker comes in bright and vibrant colors, making it effortless to find underwater and ensuring safety throughout the diving experience.3. Easy Operation: This scuba diving line maker is designed to be easy to use, allowing divers to focus on their diving experience without worrying about complicated setups or operations.4. Wide Application: Cave diving line rectangular marker is ideal for technical diving, scuba diving, cave diving, and wreck diving.5. Product Function: Contains 4pcs cave diving line marker, which can meet your needs for safe diving, and it is very suitable for providing signals for partners to make you safer when diving.Specification:Item Type: Cave Diving Line Marker Material: ABSWeight: Approx. 66g / 2.3oz.Package List:4 x Cave Diving Line Rectangular Marker