GORGECRAFT 66PCS 3 Colors Anti-Lost Silicone Rubber Rings 8mm Inner Diameter Non-Lost O Rings Multipurpose Adjustable Holder Pendant for Necklace Lanyard Pens Device Keychains Office Supplies Product Specification:
Material: Silicone
Size: These silicone pendant rings measure approximately 16x12x6mm with an inner diameter of approximately 8mm, all of them packed in a paper cardboard box(15x9x1.6cm), which make it easy to store and prevent parts loss.

Unique Design:
1. Comes with 66 rubberised silicone grommets in 3 colours: black, red and blue, plenty of quantity and a wide range of colours to suit your everyday needs.
2. Replacement silicone o ring made of eco-friendly silicone material that soft and elastic, it will not fall off after use.
3. 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.
4. Smart silicone rings can use for pendant on phone, key ring, pens, lanyards, USB flash disk and some similar devices. This would be a best helper for your friends in office, home,or outdoor activities.