3/8in OD 1/8in ID Speargun Band/Sling Thick Walled BLACK Latex Rubber Tubing ONE CONTINUOUS PIECE(#408) (Select Length) Select the length from the "Size" pull down menu. Quality thick walled 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. 3/8", Inside Dia. 1/8", Wall Thickness 1/8", Wall Thickness 1/8" Diameter Tolerance: +/- 0.02" See "Important Information" below for latex allergy warning.