BSEEN SAFETY PET COLLAR: Makes your pet dog be seen in low light conditions and vehicle, which can help you keep your dog safe. The led light visible approx 500 meters(1640 ft) at night under enough charge status.Cuttable & ONE SIZE FIT ALL DOGS: You could cut to desired length while you receive the flash dog necklace, easily cut for it is TPU material. Total lengh is 27.5 length. Perfect for spaniel, labrador, hound, german shepherd, collie and more.WEATHERPROOF&WATER-RESISTANT: Fit for all weather condition, water resistand and lightweight. It made of premium TPU material, supper bright led light, keeps your pet be seen and safe.THREE GLOW MODES&GREAT PERFORMANCE; Quick flash, slow flash, stead glow just pressed the on/off button; Lithium-ion battery provides unrivalled performance, it is eco-friendly. GURANTEE; If you have any quality problem of our blinking pet collar you can easily get in touch with us. We will try our best to assist solve it soon.