This is a [defective] product. There is a stain on the inside of the orin (bell). There is no problem with using it. Please check the actual photos at the end. There are multiple defective items, so we accept bulk purchases. We will discount 150 yen from 2 items, so please let us know in the comments (^^) [Doorbell with Magnet] Natural Wood x Brass Bell This is a simple and elegant design doorbell that blends in with your interior. It is a stylish and functional item that harmonizes the warmth of wood with the luxury of brass. Product Features ・With a magnet, it can be easily attached to entrance doors and steel surfaces ・With double-sided tape, no screws or tools are required (no construction required) ・Can be used as a chime for visitors with a gentle and elegant tone ・The sound when the door opens and closes is effective for crime prevention and noticing visitors ・Recommended for cafes, stores, and office entrances Size (approx.) Width: 4.5cm x Depth: 3.5cm x Height: 7cm We will ship within 24 hours. We also accept bulk purchases. We will discount 150 yen from 2 items, so please let us know in the comments (^^) We also sell discounted sets of 2, 3, and 4 doorbells (*^^*) Security bell Visitor bell Doorbell Orin (bell)