Super long so you can cut your own lengths. Made of hand-knitting yarn enhanced with a microcrystalline food-grade, non-toxic wax. They do not contain latex, gluten, nor peanut or other nut oils or by-products which makes them an ideal creative activity toy for children with allergies. Simply stated…they stick! No glue, no paste, no mess. Just press them down with light fingertip pressure and they will adhere to almost any smooth surface.