Cricut Adhesive Foil is a removable metallic foil generally used in temporary stickers, decals, labels, signs, etc. While there are different types of vinyl, Cricut smart vinyl can be used without a mat and is compatible with Cricut maker 3, Cricut joy, Cricut Explorer 3, generally used for making decals, signs, home decor. Other vinyl such as acetate (clear plastic), easy weed vinyl are typically used for permanent, long-lasting impact on 3D boxes, frames, and others.