Description: Portable and Convenient: This underwater writing slate is designed for easy carrying, making it ideal for writing down diving work notes or maintaining a dive log. Its compact size ensures it fits seamlessly into your diving gearEnhanced Underwater Communication: Facilitate clear communication with your dive partner using this waterproof writing pad. It's great for jotting down important messages or instructions while submergedQuality Material: Constructed from quality ABS, this Wrist Writing Dive Slate is built to withstand the rigors of underwater use, ensuring longevity and reliability during your divesCompact Dimensions: Measuring 12x12.5 cm, this Diving Wrist Slate offers ample space for note taking without being cumbersome, providing a practical solution for divers who need to document their underwater experiencesPackage Contents: The package includes 1pc three panel writing slate, 4 spare O rings, and 1pc backup pencil, ensuring you have everything you need to start documenting your dives right away Specification: Slate size:12cmx12.5cm/4.72inchx4.92inch Package Includes: 1 Scuba Diving 3 Panels Wrist Writing Dive Slate4 Spare O rings1 Spare Pencil Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.