ACR SOS Day Visual Distress Signal Complies with US Coast Guard Requirements in 46 CFR 161.013 and 46 CFR 28.145 Coastal as a day visual distress signal Improves visibility in an emergency Inflation chamber provides rigidity for multiple means of deployment Applications are multiple: by swimmer; emergency rain water collection; emergency shade; floats on water's surface for increased visibility from the air Reinforced grommets in each corner