The PortaPockets Plus can be made in 3 sizes. The Basic Insert is 8" x 2.5" x 5.5"", The Tall Insert is 8" x 2.5" x 7", and the Thin Insert is 5.5" x 2.5" x 5.5". Zipper-Phobic? Don't panic. Alternate Velcro instructions are included. Designed by Kathy Southern