Rubber gasket: is a seal which fills the space between two or more mating surfaces,generally to      prevent leakage from or into the joined objects while under compression.
1). Material: Silicone, EPDM, NR, NBR, SBR, CR, IR, IIR, FPM, PVC, ABS and so on.
 

2). Hardness: according to your drawing or sample

3). Size: The same as your design, drawing or sample. 

4). Color: Black, white, Transparent, gray, green, yellow, blue, red etc 

5). Package: Inner In Poly Bags, Outer Packed In Carton