1, the environmental protection 2, anti-nature 3, light texture 4, X-ray penetrating Certification : FDA CE The A&Z First Aid Finger Curved Splint is built from a thin core of aluminum alloy, sandwiched between two layers of closed-cell foam. Freshly unrolled from storage, the splint is extremely pliable. Bent into any of three simple curves, it becomes extremely strong and supportive for any ...