60PCS 2 Sizes: Includes 60pcs anti-lost silicone rubber ring holder, white color, about 29x24.5x7mm, hole: 3mm, 20.5mm inner diameter, 30pcs; about 20.5x16x6mm, hole: 3mm, 13mm inner diameter, 30pcs. Quality Material: Replacement silicone ring made of eco-friendly silicone material that soft and elastic, it will not fall off after use. Easy to Use: The silicone ring has a small hole for easy use, hole: 3mm, ensuring that the lanyard can go through the hole and can be carried with you when you go out. Not including lanyards just silicone rings. Practical: The silicone adjustable ring holder can be carried anywhere, lanyard by hand or on a key ring, suitable for any occasion and protect your thing in different ways. Wide Applications: Silicone lanyard holder can use for to hold some small stuff, such as key, pens, preventing them from getting lost and grime.