Our CPR masks are made of material for safe using. Mini CPR pocket mask, add to any first aid ki. Great for easy to carry for car, backpack, purse, kKeys, glove box, boat, work, home and more. Perfect for First Aid Cardiopulmonary Resuscitation or CPR Training. Feature - Color: Red, blue, orange, green, black, pink, purple, yellow.- Material: PE.- Size: About 5x5x1cm.- With keychain, easy to carry.- It is both an emergency face and a key chain kit that can easy to use.- Can be put into any first aid kit for its compacted shape.- Perfect for First Aid Cardiopulmonary Resuscitation or CPR Training.- Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Packing list: 8 x keychain