5/16in OD 3/16in ID AMBER Latex Rubber Tubing ONE CONTINUOUS PIECE (Select Length) (#604) Select the length from the "Size" pull down menu. (grayed out lengths are currently out of stock in the selected color but are available in others) Quality latex rubber tubing manufacturered in the USA by Kent Elastomer. Dip manufactured for optimal elasticity. All lengths are ONE CONTINUOUS PIECE. The random lengths shipped to us by the manufacturer are hand sorted to length, packaged to preserve freshness and shipped immediately to an Amazon warehouse. Crossectional Dimensions: Outside Dia. 5/16", Inside Dia. 3/16", Wall Thickness 1/16" See "Important Information" below for latex allergy warning.