Thank you for coming in! 18k solid gold handmade petite bead caps with fin details, cute! The last two pictures demonstrate how to use them.You'll get 1 pair per winning!SIZE: 4mm Diameter, 2.2mm height, 2mm opening on topWEIGHT: 0.20 grams (approx)MATERIAL: 18k Solid Yellow goldAll findings made in Gold come with Real Diamonds and Made in silver come with CZ only.