Product Incompatible for mation Elf Dripper: This coffee filter cup is made of glass material, and the high-precision craftsmanship makes the filter cup as beautiful as a fairy. Triangular Diversion Groove: This filter cup is made up of thirty-three conical prisms connected, and a triangular diversion groove is compatible for med between the ribs, from top to bottom, from wide to narrow, making the coffee more fully extracted. Personalized Color Options: We have designed six different colors compatible for the elf dripper bowl to meet your individual needs. PC Material Holder: We match the filter bowl with a PC material cup holder, and design a bottom card slot with a limit function, which can protect the filter bowl while playing the role of stable placement. Brand Guarantee- focused on manufacturing coffee appliances and various accessories. We will always focus on creating a better coffee drinking experience compatible for you. If you have any questions or suggestions when purchasing our products, please