... .Size:OD:8mm,ID:3.5mm,Thickness: 1mm silicone waterproof seals for LED Lighting 1.Material: Silicone2.Size:OD:25mm,ID: 19mm ... and logo: according to your request.7. Applications: mechanical, automobile, electrical appliance, industrial, construction, or special purpose.8. OEM and ODM ... can produce according to your drawing or samples. silicone waterproof seals for LED Lighting