·        High Grade Silicon Material (1.75 Inch,2 Inch.2.25 Inch, 2.50 Inch, 2.75 Inch, 3 Inch, 3.25 Inch,3.5 Inch)

·        Outer Diameter Size (2 Inch.2.25 Inch, 2.50 Inch, 2.75 Inch, 3 Inch, 3.25 Inch)" , Gives better support & flexibility

·        Shelf Life :4-5 years

·        Shape & Thickness: Round Shape With 10 mm Thickness