Selected with high-quality titanium steel material, the envelope is in a three-dimensional shape with heart-shaped particles decorating it. It supports personalized engraving of letters/ dates. It is suitable for couples to exchange tokens of love for each other. It is also suitable for mothers' day as a gift of maternal love and for father's day as a token of gratitude. It is perfect for preserving important emotional bonds.Using the Heart-shaped pendant, record the love and story forever. You could engrave the motto on the book charm, make it as an encouragement to inspire yourself, engrave the memorial sentence on it as a memory, or engrave the lovers prattle as a romantic token of love.