🦸♂️ Be the lifesaver you were born to be! One-way valve ensures rescuer protection during emergencies. Be the hero in any situation with this essential tool. Perfect for first aid kits, cars, boats, and everyday carry. Crafted from high-quality nylon and polyethylene for longevity. Compact design fits in your pocket or keychain. Compact 1.96" x 1.96" High-quality nylon & fiber One-way valve protection This 10-piece CPR Face Shield Mask Keychain Ring Emergency Kit is designed for quick access and effective use in emergencies. Each mask features a one-way valve for rescuer safety, is made from durable materials, and is compact enough to fit in any bag or keychain, ensuring you're always prepared for first aid or CPR training.