Red Guard Rescue Can (34 Inch) The high quality rescue can uses only the strongest cross-linked polyethylene They have the thickest walls for strength, and a heavy-duty two inch nylon strap. The rescue cans feature molded, pebble-grained hand grips to reduce slippage. The 28 inch rescue can is for single victim rescue only. Use the 34 inch rescue can for multi victim rescue. Ideal for lifeguard patrol.