Say goodbye to uncomfortable earrings that you have to remove before sleep, shower, or the beach. Nap Stacks are designed for people who want style without compromise. ASTM F136 Titanium: Implant Grade Safe for sensitive ears 14k PVD Gold Plated: Water, sea, and sweat-proof ✨ Side-Sleeper Approved: Flat-back design keeps earrings comfortable all night 💤 Mix & Match: Six sleek designs made to stack perfectly without irritation ✨ Post Length 8mm / Width 1.2mm (16gauge) - please note this is slightly wider than traditional butterfly backs. ✨ Internally threaded - with long thread. Perfect for everyday wear, stacking, or gifting, Nap Stacks are the earrings you can wear 24/7, worry-free. Please note: Earrings are non-refundable or exchangeable for hygiene reasons.