1. High quality nylon material, tasteless and non-toxic, 2. Anti-bite wear, beautiful and practical, 3. Adjustable design, suitable for all kinds of dogs, 4. LED light, pure and soft light color, 5. Fashionable, must-have, 6. Solar charging, energy saving and environmental protection, USB charging, no fear of cloudy days. 7.Neck circumference size: L, 40-50cm.

http://olla.gr/medium-and-large-dog-pet-solar-usb-charging-led-light-collar-size-l-neck-circumference-size-l-50-60cm-green/