One-of-a-kind keyholder using antique buttons. The keyholder part can be easily removed. - Materials: Metal, antique button, resin - Design: Keyholder with metal fittings - Size: Please refer to the image. Thank you for viewing. Each item is handmade with care, but please refrain from purchasing if you are concerned. Since resin is used, it may yellow over time from the time of purchase due to aging. Please understand this before purchasing.