SIZE: Earcuffs are 9mm (Inner Height), 6mm (Width), 0.4mm (Thickness). Each set comes with 2 pairs/3 pairs of earcuffs in different color.You can wear more than one piece/ a set at a time. Perfect Size for Cartilage. HOW TO USE: Earcuffs are ADJUSTABLE. Enlarge it slightly before wearing with finger. Put one side into the ear firstly, then another side can put inside easily. WARM REMINDER: PRACTICE few times to adjust/bend the earcuffs before wearing, especially for first time user, to avoid excessive force causing hurt to your ear during wearing. HYPOALLERGENIC: Crafted in High Quality Stainless Steel Ear Cuffs, Hypoallergenic, Lead & Nickel-Free, Safe and Comfortable for Your Sensitive Ears.To keep the good quality, please clean and wear regularly to prevent and help maintain its shininess, store in a jewelry box or pouch while not using them. IDEAL GIFT CHOICE: Non Piercing Earcuffs is an ideal gift choice during Christmas Day, Anniversary Day, Valentine's Day, Mother's Day and Birthday to your loved one. It suits women and men, and goes well with casual wear or formal outfits to offer the perfect day-to-night accessory.