It fits into the standard scout slides in a snap. Its flexible TPU construction along with internal concentric ribs grip the neckerchief tightly. The formed tabs on the top and bottom of The SlideStop along with the slot on the back, lock to the slide and keep it from moving. This promises that your scouts slide will never fall off again and you'll actually buy one slide and neckerchief a year for the first time! Replacements for Life, Made in the USA