Led Light Pet Harness Nylon Chest Strap Leash

1. LED Power: 4 pcs CR2016 cells on. 2. 3 Light Modes: Continuous on, Slow flashing, and fast flashing (with switch to select) 3. Material: nylon 4. Size: XS/S/M/L/XL XS width 1.5cm, telescopic range 32-39cm (the battery case is a silicone battery CR2016*4) -- Bust: S 32-40cm -- Bust: M 38-50cm -- Bust: L 43-60cm -- Bust: XL 50-67cm