Silicone rubber rings can be used for mobile phones, key rings, pens, lanyards, USB flash drives, and some pen-like items.SpecificationColor: BlackMaterial: SiliconeSize: Outer Diameter is 12/17/24mm(0.5/0.7/0.9"), Size of the inner Diameter is 8/13/20mm(0.3/0.5/0.8"), Height is 6/6/7mm(0.2/0.2/0.27"). Silicone lanyard case for pens (outer diameter 8mm-31mm/0.31-1.22in).Packing List: 20 x Anti-Lost Silicone Ring HoldersAdvantageThe anti-lost silicone ring of the pen is made of good-quality soft silicone, which is lightweight and stable.InstructionThe silicone pendant holder has a small hole that allows the use of various lanyards to prevent items from being lost and stained and is suitable for any place.NOTEPlease confirm the size before purchasing.
