CleverDelights Black Hollow Rubber Tubing - 150 Feet - 2mm Diameter Tube Cord - 1/16" OD x 1/64" ID Color: Black Outer diameter: 2mm (approximately 1/16") -- Inner diameter: 0.5mm (approximately 1/64") Premium quality rubber cord can be used for a variety of jewelry design and embellishment Flexible and resilient Top-quality CleverDelights brand - Ships from a USA warehouse - Get your items quick!