- XS = Width 1.5CM * Chest Length (32-38) CM
- S = Width 2.0CM * Chest Length (32-40) CM
- M = Width 2.5CM * Chest Length (38-50) CM
- L = Width 2.5CM * Chest Length (43-60) CM
- XL =Width 2.5CM * Chest Length (60 - 70) CM

Note: Please make sure to measure your dog for accurate sizing before purchasing to ensure the perfect fit.
Specifications:
- Material: nylon strap
- LED Powered by 4pcs CR2016 (included) cell button.
- Color: Blue, Red, and Pink.
- Battery life: 60 hours.
- 3 light modes: Continuous on, Slow flashing, Fast flashing (with switch to select).
- The actual color of the item may slightly vary from the pictures due to the light and different monitors.
- The size is manual measurement, there may be 2-3cm error.Please understand.

Satisfaction Guaranteed With Every Order. All prices are listed in USD.
OUR GUARANTEE
We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 45 day guarantee.
If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase.
Buying items online can be a daunting task, so we want you to realize that there is absolutely ZERO risk in buying something and trying it out. If you don't like it, no hard feelings, we'll make it right.
We have 24/7/365 Ticket and Email Support. Pleasecontact usif you need assistance.