Description: Acclaimed by emergency care providers and outdoor enthusiasts worldwide, the SAM® SPLINT is based on an ancient construction principle: curves are strong. The the SAM® SPLINTis built from a thin core of aluminum alloy, sandwiched between two layers of closed-cell foam. The ,strong> the SAM® SPLINT is extremely pliable. Bent into any of three simple curves, it becomes extremely strong and supportive for any fractured or injured limb.