Blow new and potential customers away with this whistle key chain with coil! The durable plastic whistle is available in a variety of bright and fun product colors. It features a metal split ring and has a soft coil wristband attached. The expandable wrist coil fits most arms. Add your company name, logo and promo message to it before handing it out at marketing events. It’s a great idea for safety promotions, nurses working the late shift and students traveling home after late night study sessions. Help your clients and your brand!