Spare CR123 Battery Holder/Casing/Housing These are made by me personally. Great for carrying an extra CR123 battery and at the same time gives you that “look”. All come assembled and ready to be equipped on your rifle The string you see is elastic. 7 bucks shipped and tracked for black 7 bucks shipped and tracked in tan Multiple other colors available also Turn around time for making these is about a day PayPal Only.