What You Will Receive: 6 waterproof silicone wristbands; Wristbands size: 9.4 inches long, 1.2 inches wide, 0.3 inches thick, 18 lines; writable erasable memo wrist straps are developed for people who work in agricultural production sites and industrial manufacturing sites or who are inconvenient to use electronic devices Wearable Memo Band: silicone memo wristband is a very useful tool for memory, which can help you record shopping lists, presentation learning tasks, to-do items, etc.; Just tap your wrist lightly and it will roll up and be firmly fixed on the wrist, allowing you to put your notes nearby and put your thoughts on the wrist Writable and Erasable: reusable memo wrist band has a special writing coating, allowing you to use an oil-based ballpoint pen to write any information on it, and the notes can be easily erased; Reminder: for a better experience, it is recommended to erase the notes within 24 hours Safe Material: to do list slap bracelet is made of quality silicone, durable and waterproof, so even if it gets wet, the notes will not be erased; Whether you are washing your hands or sweating, you can use it without worrying about the notes disappearing