The CrossBreed Modular Holster is a versatile, multi-use holster that can be used alone on anything equipped with Hook fastener or along with one of the CrossBreed Products below: -Purse Defender -Belly Band 2.0 -Pac Mat -Bedside Backup Backed by military-grade hook fastener, this holster attaches to the item of your choice for an incredibly stable hold. The holster can be removed to be repositioned or moved from one item to another depending on your carry needs that day. Please note: the size of the Modular Holster is determined by the firearm it is made for, height and width measurements will vary.All Modular Holsters and Packages come default with a 4" Soft Loop Panel with peel and stick adhesive on the back.