The collar will not stretch, make sure there are only 2 fingers between the collar and the dog collar. A well-fitting collar and seat belt will not will leave no room for your dog to chew. The leather is primarily constructed in the buckle area to ensure durability and a luxurious style. The texture is soft and does does not tighten the neck, and the contrasting color design is bright and beautiful Care: do not wash, just wipe; Do not bleach ; Do not dry clean ; do not iron It is recommended to supervise pet owners. Please carefully measure your pet to make the right purchase. Dog Leash: (width : 1.5 cm, length: 120 cm) Note: Please choose according to the shipping size, this product is not suitable for large dogs Delivery quantity: one piece