2. Outer diameter: 4mm - 30mm;

3. 4mm*7mm*30.5m Yellow  ;

   4mm*9mm*30.5m Green ;

   6mm*11mm*30.5m RED 

   6mm*13mm*30.5m Bule;  

   6mm*13.8mm*30.5m black;

   6mm*16.7mm*30.5m Orange

 lt is 30.5m a bag
There will be 2 or 3connectors for a bag 
There will be 1connectors per 20m

 Extruded latex tube:

The extruded latex tube is made using a unique method which enables a natural extruding of tubing and without any fine crack onthe tubes.