Here’s the ingredient list:
“ It is made with Kleos Mastiha Spirit, Aelred Melon Apéritif de Provence, Pearl Vodka, and lime sour mix”
I would find a recipe for a lime sour made with the vodka and add the liqueurs to it. Assuming an 8 to 10 oz glass is used for the sour I’d add approximately 1 oz of the Greek spirit and 1/2 oz of the melon liqueur. Or maybe reverse the liqueur amts for less of a resin flavor; I haven’t tasted this before. If you can’t find the melon try substituting Midori and any Greek mastiha will do-has a distinct piney taste.
Have fun.