Here's a set of three sizes of wearable memos that you can erase and rewrite! You can wrap them around your wrist, allowing you to quickly jot down important things or things you don't want to forget! They are waterproof, so you can wash your hands while wearing them, making them perfect for those working in medical fields such as nurses, caregivers, and dental hygienists who need to wash their hands frequently! They are also great for outdoor work and water-related work! They are compact and don't feel out of place on your wrist, so they're also great for personal use!!! 【Product Details】 ・Sizes Large: Approx. 23.8cm x Approx. 4.5cm Medium: Approx. 23.8cm x Approx. 3cm Small: Approx. 19cm x Approx. 2.2cm ・Double-sided design One side is a memo for managing your to-dos, and the other side is a ruler! ・Reusable many times Even if you write with an oil-based ballpoint pen, you can erase it with an eraser or by rubbing with your finger, so you can use it many times. * We do not recommend using pencils or water-based pens as the written characters may bleed. Please be aware that ink transfer may occur over time after writing. ・Waterproof Made of silicone and waterproof, so you can wash your hands or do water work while wearing them. They are also resistant to sweat in the summer. ☆This product will be shipped by regular mail, but if you prefer anonymous shipping, we will accept it for an additional 150 yen. Please let us know in the comments before purchasing!