Hillman 3 in. Black & Silver Reflective Mylar Sticker Wide Style Letter G is designed to meet US Coast Guard and 911 requirements for boat registration posting, making it an i choice for safety and compliance. These reflective letters, measuring three inches and larger, are for use on houses, mailboxes, mailbox posts, jet skis, and boats. The black and silver color scheme ensures high visibility, while the durable Mylar material long-lasting performance in various outdoor conditions. This sticker combines functionality with ease of application, providing a reliable way to display important identification information clearly and effectively. Model Number: