1. Material: nylon
2. Weight: about 13g/piece
3. Neck circumference: S is about 20-25 cm, M is about 25-30 cm, there is a 5 cm adjustment chain at the back
4. Application: both cats and dogs
5. Features: unique shape, exquisite workmanship, soft and comfortable, metal buckle design, tightness can be adjusted appropriately, easy to wear, safe material, durable