Coghlans Emergency Survival Horn. The membrane can be easily replaced with any thin flexible film. Comes with SOS printed on the body and a black break-away lanyard. Floats. Blaze orange. Specifications for Coghlans Emergency Survival Horn 1240C: Mfg Item Num: 1240C Type: CAMPING SUPPLIES - MISCELLANEOUS CAMPING ACCESSORIES Master Model Header: Emergency Survival Horn The Coghlans Emergency Survival Horn 1240C is a quality addition to the Coghlans lineup. For more great deals on Survival Gear by Coghlans please browse our Coghlans Survival Gear page.