This unique, wearable, silicone memo wristband will keep your notes close. It features a unique coating on the band that allows you to write with an oil-based ballpoint pen. Simply erase by rubbing your fingers or by using an eraser. Being waterproof and erasable, this is a superbly practical tool that is ideal for various kinds of working scenarios, particularly nursing staff, construction workers and police officers. It is also a perfect tool for memorization while studying, shopping lists, presentations and more. The silicone memo band measures 9.4 x 1.8 x 0.3". Color: beige with a ruler along one side.