Pet chest bag, outdoor pet cat bag, dog mesh breathable and comfortable backpack, four-legged backpack

Material: Polyester

Size :

Size S(The adjustment range is within about 30cm): under 2.5Kg  

Size M(The adjustment range is about 25~43cm):2.5~3.5Kg 

Size L(The adjustment range is about 36~50cm):3.5~6.5Kg 

Size XL(The adjustment range is about 43~65cm):3.5~6.5Kg