Wesbar Sonically Sealed Waterproof Bulb Capsule Capsule protects bulbs from corrosion and thermoshock failure and creates a reliable waterproof design. Permanently sealed version fits Waterproof Over 80" 003504 and 003554 Low Profile Tail Lights and the Waterproof Over 80" Wrap-Around Tail Lights. 8" x 2 7/8" x 2 3/4"