Cricut Infusible Ink Aluminium Coasters 4-pack (White, Square); 4 square coasters 3.75" x 3.75" (9.5 cm x 9.5 cm) with cork backing; Customize this blank with original artwork for standout DIY projects; Compatible with Infusible Ink Transfer Sheets, Pens & Markers for peel-proof, flake-proof, wash-proof transfers; For best results, use Cricut EasyPress2 or heat press that reaches 400 F (205 c) Get vibrant, permanent, pro-quality heat press transfers ? no edges or seams ? on this compatible Infusible Ink square, cork-backed coaster blank. Unlike an iron-on transfer or vinyl application, where artwork is attached on top of a base material using adhesive, an Infusible Ink heat transfer becomes one with the material itself.