This pouch fits over your belt and slips over the waistline into your pants allowing secret storage. Source: http://www.rei.com/product/819687/eagle-creek-undercover-hidden-pocket-pouch?cm_mmc=cse_PLA-_-pla-_-8196870001&mr:trackingCode=6D26558A-DABA-E011-9A77-001B21631C34&mr:referralID=NA&mr:device=c&mr:adType=plaonline&mr:ad=74537640040&mr:keyword=&mr:match=&mr:filter=75485286640&msid=3xCPxuNM_dc|pcrid|74537640040|