[CLASSIC DESIGN]: The black earring posts design is classic and elegant, suitable for various styles and occasions. It can be worn by different people and ages, making you more elegant. [500PCS PLASTIC EARRING POSTS]: You will get 500pcs ball stud earring finding and 500pcs plastic ear nuts, so you don't have to buy extra. Adequate quantity of earrings can meet your daily needs. [SIZE AND CONTENT]: Black earring posts * 500pcs about 15x3mm(0.59x0.12in), pin: 0.95mm. Plastic ear nuts * 500pcs about 4x4mm(0.16x0.16in), hole: 1mm. Come with plastic bead containers * 1pc. [HIGH QUALITY MATERIAL]: The ball stud earring finding and ear nuts are made of plastic, compact and lightweight, not easily broken or damaged, comfortable to wear, and suitable for long-term wear. [WIDE APPLICATION]: You can wear these black earring posts as usual to keep your ear holes unobstructed. Sometimes when you are not allowed to wear earrings while exercising, working, or experiencing skin irritation issues, these transparent black earring posts are suitable for you.