For all the reasons I love chipboard, I am loving these different shapes. now there are more ways to embellish projects with chipboard. Still safe, dimensional, lightweight and inexpensive...and to make them even easier to use, these new styles are all self adhesive. use as is, or alter them to become perfect for any particular look. acid lignin free self-adhesive. Available in a variety of shapes colors designed to coordinate with other Heidi Swapp products chipboard shapes.