Project Sekai Couple heart set

For this couple heart set, there are options to choose between a set of heart badge+sticker or heart keychain+sticker.

Material:
- Heart badge: plastic surface with metal underside
- Keychain: double-sided acrylic keychain
- Sticker: paper sticker with glitter surface
Size:
- Heart badge: 5.5 cm (~2.1 in) wide
- Keychain: 5 cm (~2 in) wide
- Sticker: 5 cm (~2 in) wide

There is a layer of plastic seal on both sides of the keychains. There is no seal on the heart badges.