1. Size: S/M/L/XL/XXL 2. Neck circumference: S is about 28-36 cm, M is about 33-44 cm, L is about 36-52 cm, XL is about 47-66 cm, and XXL is about 58-76 cm 3. Weight: S is about 46 grams, M is about 58 grams, L is about 78 grams, XL is about 95 grams, and XXL is about 101 grams. 4. Material: polyester 5. Application: dogs 6. Purpose: prevent dogs from barking, biting, eating, etc. 7. Features: the neck is designed with a buckle, which is convenient to wear. The length of the overhead webbing is adjustable, soft and comfortable, breathable mesh, not stuffy
