These are handmade resin heart coasters with gold glitter flakes. They are decorative art pieces made from epoxy resin, pigments, and glitter, and can be used for drinks, holding jewelry, or general home decor. 
Product Details
Material: The items are primarily made from hand-poured epoxy resin.
Design: They feature a soft pink or mauve base color with shimmering gold glitter flakes concentrated in the center.
Function: While often referred to as coasters, they may also be used as ring or trinket dishes.