Dog’s leash expands and retracts automatically

Specifications
Color classification:Blue-white；Red；Brown；Black；Black-Blue；Black-white；Black-red；White-Blue；Green
Applicable object: dog
Scalable: scalable
Size：Single tow rope；XS (with chest strap 25-37/1.5-4kg)；S (with chest strap 35-46/4-7.5kg)；M (with chest strap 43-55/7.5-20kg)；L (with chest strap 53-70/20-27.5kg)

Style:3M；5M

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