Made the Right Way the Good Way

Reimagined Incandescent Glow

The 7C7TB Transparent Blue Twinkle Lamp brings nostalgic holiday brilliance to life with its shimmering, eye-catching twinkle effect. Crafted with a transparent blue C7 envelope, this lamp adds a vibrant seasonal glow that transforms trees, garlands, windows, and displays into magical scenes. The soft, classic incandescent warmth beneath the blue tint enhances spaces with a calming and festive sparkle that captures the charm of vintage holiday lights.

Power and Versatility

Consuming only 7 watts and operating at 120 volts, this C7 lamp is ideal for string lights, night lights, ornaments, decorative displays, and holiday setups. The durable E12 candelabra base ensures a secure fit in standard C7 sockets, while the compact C7 shape fits perfectly into indoor and outdoor holiday décor. Built with a flashing/twinkle filament, the lamp delivers a gentle flicker that brings movement and life to any lighting arrangement.

For the Love of Color

The transparent blue glass enriches every space with a vivid, jewel-tone glow that enhances the mood of winter scenes, party decorations, and themed displays. Incandescent lighting naturally provides near-perfect color rendering, ensuring the blue finish retains its depth and sparkle. Whether used for Christmas décor, accent lighting, or year-round ambiance, this lamp creates visual warmth that draws the eye and elevates the atmosphere.

Rough Service Incandescent

Designed with a rugged twinkle/flasher filament, the 7C7TB is crafted for dependable cycling and repeated on-off flashing without performance loss. The heat-resistant glass construction maintains clarity and brilliance throughout the lamp’s life. Built for consistent twinkle effects, it performs reliably in long strings, decorative installations, and repeated seasonal use.

Effortless Dimming

Fully dimmable using standard incandescent dimmers, this lamp transitions smoothly from a bright, lively twinkle to a softer, gentle flicker. Whether enhancing nighttime ambiance or setting a festive holiday mood, this C7 lamp provides total lighting flexibility.

Built to Last

Engineered with quality components and a durable filament, the 7C7TB delivers a dependable 1,000-hour lifespan. Every lamp is manufactured with focus on clarity, twinkle-cycle reliability, and refined incandescent glow. From the precision E12 base to the transparent blue finish, each part is made for lasting decorative performance.

Guardian of Prosperity

Holiday lighting can require dozens or hundreds of bulbs. Lamps built with quality filaments and durable materials reduce replacement frequency and keep string lights glowing throughout the season. Using long-lasting decorative lamps saves businesses and families time, effort, and maintenance costs, ensuring displays remain bright without constant attention.

Xtreme Life Guarantee

Designed for long-term decorative excellence, the 7C7TB Transparent Blue Twinkle Lamp provides reliable twinkling performance from first light to final glow. Crafted for quality and durability, this C7 bulb is ready to elevate holiday décor, special events, or year-round ambient lighting.

Impactful Lighting

A GoodBulb is more than a decoration—it’s a way to create joyful memories, illuminate traditions, and add personality to cherished spaces. Twinkling blue lamps enhance celebrations, uplift environments, and bring beauty to homes and businesses. Every lamp contributes to experiences that matter—warm moments, festive gatherings, and lighting displays that brighten more than just the room.