Silicone rubber tube - will withstand repeated use and for visual inspection of fluids.Size: 8X10mm(Inner Dia*Outer Dia); Length: 2.5M(8.2 foot); Wall Thickness: 1mm(0.04 inch)Operating Temperature: -76 to +428 Fahrenheit; Hardness: 65 DegreeGood electrical and weather ability properties - resists u.V., ozone, gases, and moisture.Silicone tubing - great for fluid handling, peristaltic pumps, siphoning, draining, aquaponics and water/oil change, etc.Uses:Machinery connecting pipe;Electrical equipment, such as the casing;colour:semitransparentMaterial:Silica gelPackage Contents:1 * hoseOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.