Spearit 50 Feet Black Rubber Latex Tubing 5/16" OD 3/16" ID (604B) NOTE: TUBING MAY NOT BE CONTINUOUS, THIS TUBING IS FACTORY PACKED AND MAY CONSIST OF UP TO 3 SEGMENTS JOINED BY TEMPORARY TAPE. REMOVE TAPE PRIOR TO USE. Quality latex rubber tubing manufacturered in the USA by Kent Elastomer. Dip manufactured for optimal elasticity. Color: Black Crossectional Dimensions: 5/16" OD 3/16" ID 1/16" Wall See "Important Information" below for latex allergy warning.