Made from implant grade silicone. Made in USA. Soft & squishy. Highest quality silicone. Wash with a mild non scented antibacterial soap and water. These should never be used for ear stretching. Double flared and available in sizes 6G (4mm) - 1 & 1/2" (38mm). Wearable area: 8mm - 10mm. Easy pair to add to your plug collection! Sold in pairs (2pcs).