Material: Neoprene
Product Category: Chest strap
Color: orange, green, black, gray
Specifications (length * width): XS- (33-43cm) recommended 4-6kg selection (without leash), S- (43-56cm) recommended 6-12kg selection (without leash), M- (56- 69cm) recommend 12-20kg (without leash), L-(69-81cm) recommend 20-30kg (without leash), XL-(81-107cm) recommend 28-40kg (without leash) )

1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2-3cm differences due to manual measurement. 
2. Please check the size chart carefully before you buy the item, if you don't know how to choose size, please contact our customer service.
3.As you know, the different computers display colors differently,  the color of the actual item may vary slightly from the following images.