The secure screwback design ensures they stay comfortably in place throughout the day, and they’re comfortable enough to nap in, perfect for those who need all-day wearability Where to Wear:Perfect for concerts, summer vacations, pool days, or anytime you want your jewelry to match your bright, fun mood. Screw-on flat back for secure, irritation-free wear Hypoallergenic — great for sensitive ears Waterproof and tarnish-resistant Safe for sleeping, swimming, and daily wear Lead, copper, and nickel free