Our Child Keychain is a keychain that allows you to be with your beloved pet (child) at all times by putting a part of your pet inside (hair from brushing, whiskers, etc.). How about always being together with your beloved "child"? Material: Acrylic Keychain Size: 5cm x 5cm Thickness: 7mm Enclosed Part: 3.5cm x 3.5cm Thickness: 2mm Colors: Black, Pink Gold, White (no color) This is a kit type that you assemble yourself to complete. The screws are also transparent acrylic, so they don't feel very present. You can choose your preferred engraving surface, either the outside or the inside. The price is per piece. Please handle with care, as excessive force or strong impact may cause damage. Returns are not accepted after arrival. How to Purchase: Please comment here with "◯ pieces, desired color, purchase request." We will create a dedicated listing for you, so please purchase from there. We will then begin production, so thank you for your understanding.