S: the neck circumference is 19-28cm, the chest circumference is 24-40cm, and the rope length is 120cm. 1. The traction rope to protect the life of the "hairy child", traction rope = life rope, please be sure to pull the rope when going out to walk the pet, which is the right choice for pet lovers to nip hidden dangers in the cradle. 2.3D stereo surround gives pets all-round care, fits their streamlined body shape and can be adjusted in size, making them comfortable and unconstrained. 3. Skin-friendly hand strap is firmly pulled, and the cloth is soft, soft and comfortable to prevent hand strangulation. 4. Small and fresh color matching is a favorite of pets. Small and fresh color matching is in line with the current aesthetics, and which color is suitable. 5. The Japanese button can be adjusted according to the size of the pet, and the length of the Japanese button can be adjusted. 6. The POM project buckle buckles the pet's wild heart, and uses the POM project buckle to lock the pet firmly and prevent it from breaking free.