· STURDY NYLON MATERIAL: Strong and abrasion-resistant nylon webbing material ensure the pet harness a great durability.· LIGHTABLE FOR SAFE WALKS: The pet harness is lighted that can light up your pet for more visibility and safety during the night walks.· 3 LIGHTING MODES: The LED pet harness features 3 lighting mode for more fun and style. The Steady On mode’s lighting time is up to about 60 hours, and the lighting time of the Flash modes are up to about 70 hours.· USB RECHARGEABLE: It’s easy to recharge via the supplied USB charging cable and easy to control.· STRONG HARDWARES: Sturdy quick-release buckle closure makes it easy to wear and metal D rings are for attaching the dog leash to lead your doggie. Specifications: Material: Nylon Optional Light Color: Blue, Red, Orange, Yellow, Green, Pink, Multi-color (Black Webbing) Optional Size: S, M, L Pet Harness Size: Size S: 12.6-15.7in, Webbing Width: 0.8in (2cm) Size M: 15.6-20.3in, Webbing Width: 1in (2.5cm) Size L: 16.7-23.4in, Webbing Width: 1in (2.5cm) Pattern: Lighted Lighting Mode: Fast Flash, Slow Flash, Steady On Closure: Buckle Style: Simplicity, Fashion Suitable for: Small / Medium / Large Pets / Dogs Occasion: Walking, Training, Outing, Outdoor Activities, etc. Package Includes: 1 X Pet Harness 1 X USB Charging Cable LED Dog Harness breathable Soft LED dog harness is super bright in the dark, which means it will keep your dog highly visible when your dog wears it.