The RedLine K-9 Scent Stash Boxes are crafted from high quality aluminum and equipped with heavy duty encased magnets. Stash these training aids under cars, in lockers or anywhere there is metal surface. The top slides open for easy placement of source odor. The stash box is perforated on the top and the sides for controlled odor dispersal. Box Measures: 5.75 inches x 2.25 inches x 1.5 inches.