Flexible filament LED bulbs represent the ultimate marriage of beauty and technology. Curved filaments lined with LED diodes provide the nostalgic look of old-fashioned incandescent bulbs. But LED technology makes these filaments energy efficient and durable. And these magnificent Edison-style bulbs put that beauty on display in a big way, creating a retro look you and your guests will love. Clear bulbs are the most popular of light colors, casting a brilliant warm glow over parties and events while inviting relaxing conversations.