Waterproof, reusable splint for immobilizing injured bones, the SAM splint is an important item to include in your first aid kit. Made in the USA.Built from a thin core of aluminum alloySandwiched between two layers of closed-cell foamBend it into any of three simple curvesExtremely strong and supportive for any fractured or injured limbIncredibly lightweight (only 4.0 oz.)Offers variations for the treatment of orthopedic emergencies.