These omamori's come from Sensoji, which is an ancient Buddhist temple located in Japan. Each omamori has a different category, and are to put kept in your phone, wallet, etc. to guide and protect. 

The light blue omamori is made for people who want to attract good fortune with their relationships.

 The peach omamori takes it a step even further with attracting good fortune when it comes to finding romance and love, focusing on marriage.