Craft Artist Kaleido Heat Resistant Acetate. This heat resistant acetate is perfect for use in the Kaleido die cutting and hot foil machine. Use it in the same way you would use card, apply Kaleido ink with a stamp or Foil Ink Pen, cover with foil, and run through the machine. The acetate is designed not to melt or buckle when used in the hot machine. Create fabulous foiled effects on a transparent background to add to your hand made cards and craft projects. The pack contains 20, A5 sheets. The acetate can also be used for heat embossing.