Ready for rescue, our high-quality MARSARS 200′ or 300′ Ice Rescue Tether kits offer the following features: pre-rigged with stainless-steel carabineer and rope thimbles. Yellow float prevents disconnected tether from sinking. When two teams are deployed at night; to avoid confusion, bag’s base holds optional colored identity light. Tether bags available in red or yellow. Optional military grade lights are available in red, yellow or blue.