Material:Made of high quality soft plastic,comfortable and soft to use Compact and lightweight: The size of the earring stopper is approx. 3mm x 4mm, lightweight and portable. Easy to Wear:Each earplug is designed to be drop-proof so that your earrings won't fall off during your daily activities, easy to put on and remove. Packaging:One box contains 500 earplugs, and each earplug is reusable, enough for your spare and replacement. It's very convenient to use and ensures that your earring won't be lost