Features: Ensure your pet safety and visibility during nighttime walks with this LED light up dog chest strap. Made with quality materials, it provides a comfortable and durable wearing experience. The LED lights on this chest strap feature various flashing modes and adjustable brightness, allowing you to customize the perfect level of visibility for your pet. Suitable for all dog owners, especially those who enjoy evening walks or outdoor activities. Perfect for nighttime walks, morning jogs, camping trips, and other outdoor adventures, ensuring your pet remain visible and secure. Not only functional outdoors but also add a touch of style to your pet's look indoors. Specifications: Material: ABS, PVC Diameter: Small: 10cm/ 3.94in Middle: 15cm/ 5.91in Large: 20cm/ 7.87in Color: Blue, Redness, Green, Pink, Black Package Includes: 1pc Pet LED Harness note: 1: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2: Due to the different between different monitors, the picture may not reflect the actual color of the item.