The smallest magic sleeve so far, made for multi tools. Shown with the a Windeler stacked multi tool. It will fit most multi tools such as Swiss Army knives. 

dimensions
open 6.5 x 5.75” (16.5 x 14.6cm)
closed 6.5 x 3” (16.5 x 7.6cm)
inside useable 5.5 x 2” (14 x 5cm)