Text on the reverse side:
Some extraordinary research has found that couples who are in a romantic relationship, naturally synchronise their heart rates after gazing into each other’s eyes for three minutes.
- A6 size (148mm x 105mm)
- Hand finished with rounded corners
- Produced in our London studio
- 300 gsm quality pearlescent paper with shimmering effect
- FREE UK delivery for 5 cards or more!
- FREE international delivery for 10 cards or more!
