These coasters are made 100% epoxy resin. If you like the style of these coasters but would like a different colour scheme that completely doable,
Alcohol Ink Hexagon Tile Coasters – Crafty Lumberjacks
Alcohol Ink Coasters - Blue – Mamota Creative
Resin and Alcohol Ink Art Basics: Make coasters and artworks
Rainbow splash coasters - skinny pig designs
How to Make Alcohol Ink and Resin Coasters - Korinne Carpino Art
Alcohol Ink Coasters With a Holder
Class Resin & Alcohol Ink Coasters Class by Miss Meggie Art - BrainVessel Gallery
Beautiful Resin Alcohol Ink Coasters - HNDMD Blog
Alcohol Ink Rainbow Resin Coasters DIY!
Resin Petri Rainbow Coasters - GlassCast
Alcohol Ink Coasters Are the Coolest Cocktail Accessory
Resin Petri Rainbow Coasters - GlassCast
Beachy Blue-green and Yellow Epoxy Resin & Alcohol Ink Coasters
Awesome Alcohol Ink Coaster 'Galaxy' - HNDMD Blog