ADAPTIL collar for small dogs, effective in reducing stress. - Brand: ADAPTIL - Product Name: ADAPTIL Collar S - Size: For small dogs - Duration of use: Lasts for 1 month - Expiration date: November 2025 - Contents: 1 collar Thank you for viewing. The outer box is damaged, so the item is listed as having scratches. I opened the outer box to check the contents, but there are no issues. The inner bag is unopened.