Designed with kids rooms, classrooms, kitchen, shops and all of the spaces in mind, the self-adhesive, grid-backing makes for ease of application to any flat surface. Our Reusable Wall Decal comes paired with a set of 4 award-winning dust free ButterStix®. Simply wipe clean with a damp cloth to erase and reuse. • Wall decal providing endless possibilities & easy to adhere and position • Erasable & reusable, reducing waste • Set of 4 non-toxic ButterStix® included • Simply wipe clean with damp cloth • Remove & re-adhere with premium adhesive • 18" x 79" • Can be trimmed to preferred size • Non-toxic, free of BPA, and Phthalates • Ages 3+ Wishy Washy Markers & Mini Wishy Washy Markers (both sold separately) are also compatible with this product.