The Wemo Band type memo note is infinitely reusable, its surface coating is special for rewriting with a ballpoint pen and then erasing with an eraser to rewrite on it. You can put it around your wrist, which will be very useful for taking notes while working or on the go. Waterproof, you can keep your memo in humid conditions. Made of silicone, Wemo Band type is durable and tear-proof. It comes in seven colors: white, blue, beige, beige, green, pink, dark blue, yellow. Carry your memo easily. 1 set = 4 pieces