Rally great, Strong elastic , Chromatic , Natural latex, Multilayer Tubing, Dipped natural rubber latex tubing Green products Our customers can choose from over 200 sizes, ranging from 1/32 to 1 I.D. and wall thicknesses from .010 up to .250 (1/4).1. Strong and durable , a variety of color and models .2. 20066,ISO9001 - 2000SGSIn June 2006, we were ISO9001-2000 certified And With non-toxic test ...