Doggy Man Medicated Flea, Tick & Mosquito Repellent Collar for Cats Suffocation Prevention Safety Slit Fits necks up to 28cm Duration: 7 months Brand new, unopened. ● This item is first-come, first-served without exception. No purchase confirmation is needed, so please buy directly if you wish. ● To those who purchase: If there is a significant discrepancy between the image or description and the actual product, please contact us before leaving a rating. We will respond sincerely. ● To those who choose convenience store/ATM payment: The transaction will begin when your payment is complete. Please consider this as the starting point for the number of days until shipment. Please note that if payment is not confirmed within the period specified by Mercari, the transaction will be canceled.