Pet Pal's - LED Dog Safety Collar - Improved Pet Visibility & Safety - 1 Size for LG & M dogs, 7 Colors- Super-Bright LED- Great for walks, Fashionable- Strong Reflective Material- 3 Light Settings- IMPROVED DOG VISIBILITY & SAFETY - the latest Ultra-Bright LED's provide OPTIMAL DOG VISIBILITY IMPROVING DOG SAFETY LATEST TECHNOLOGY OFFERING BEST VALUE - 100% WEATHER PROOF 3 Different Settings (ON- STEADY FLASH RAPID FLASH). Lithium-ION battery meaning your dog stays illuminated & safer longer. INNOVATIVE DESIGN & PREMIUM QUALITY - fully adjustable super-strong. 100% Reflective Material, high-tensile stitching for maximum strength & dog security. WEATHERPROOF - 100% WEATHER PROOF, PERFECT for all weather conditions, Rain, Snow, etc.. THE # 1 RANKED LED DOG SAFETY COLLAR WITH A 100% MONEY-BACK GUARANTEE - provides peace of mind