StonyLab Rubber Tubing, Pure Latex Amber Tubing Natural Tube 7/16 inch (12 mm) OD 5/16 (8 ID Highly Elastic and Strong (33 Feet 10 Meter)

Outside Diameter: approx. 12 mm (7/16 inch), Inside Diameter: approx. 8 mm (5/16 inch) Made with high quality natural rubber latex with smooth walls; One long continuous piece makes it flexible to be cut into desired length to meet your needs Strong and highly resilient with a maximum elongation of 700 percent Could be widely used in general laboratory applications Please preserve the tubing in a cool and dry place; the heat, sun and extreme cold may shorten its lifespan, Weight: 2.20462262 Pounds, Manufacturer: J&D Tech