we are factory which professional produce kinds of rubber gasket,rubber O-Ring,rubber product,
material: NBR,NR,EPDM,Silicone,FPM and so on
many colors can be made: blue,red,green,orange,black,and so on 
product size: can  be made according to your design.
molding and sample time : about 10 days,if existing mould ,in 2 days. 
delivery time: it's depend on your quanitity,usually in 30 days against the deposit.
Price range:0.001--1.0 USD

pls reply me what size ?

  what quanitity ?

 what material?

 do you need,then I will give you a     reasonale price and delivery time.  
FOB PORT: NINGBO OR SHANGHAI