[6Pcs Black Neck Lanyard]: Package includes 6pcs adjustable lanyards, can adjust the length according to your need. Each lanyard is 17.72 inch(45cm) long, sufficient quantity for your daily use.[40Pcs Silicone Rings]: A package containing 40pcs silicone rings in 5 sizes, 0.96x1.14x0.28inch(2.45x2.9x0.7cm), 0.87x1.08x0.31inch(2.2x2.75x0.8cm), 0.79x0.93x0.22inch(2x2.35x0.55cm) 0.63x0.81x0.24inch(1.6x2.05x0.6cm), 0.47x0.63x0.24inch(1.2x1.6x0.6cm), and 20.5mm(0.81 inch), 18mm(0.71 inch), 16mm(0.63 inch), 13mm(0.51 inch), 8mm(0.31 inch) in inner diameter.[Silicone Material]: Made of high-quality silicone material, adjustable, soft and elastic, not easy to fall off after use, can be used for a long time.[Easy To Use]: The loss-proof silicone rings can be used along with lanyards, also can be used separately as a decoration. You can carry it as you like, hang it on the key ring, suitable for any occasion, and protect your equipment in different ways.[Widely Used]: These pen silicone lanyard holders are great to hold some small stuff, such as cell phones, pens, keys, USB flash disk, small pendants and more, preventing them from loss or dirt; They are useful accessories for office, home and outdoor activities.