The Sylvania 388 Miniature Incandescent Lamp Bulbs are high-quality indicator lights perfect for facility maintenance and safety. Made by the trusted brand SYLVANIA in the United States, this box contains 10 units of miniature incandescent bulbs. Ideal for use in various industrial and commercial settings, these indicator bulbs provide reliable illumination for important signs and signals within a facility. With the SYLVANIA brand known for its durable and efficient lighting solutions, this product is a dependable choice for business and industrial applications.