Reach new audiences with this keyring as your next gift! It’s made of anodized aluminum and features a whistle. This is perfect for recipients to keep all of their keys together in one place. It would make a fantastic giveaway for any business, project, conference, convention or event. Add your company name or logo for maximum visibility. Promote your business with an amazing item like this! Measuring 0.86 inches in Dia., this custom aluminum safety whistle keychain. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Portable, durable, practical for daily use.