Purchased on November 19, 2025, and just arrived today. I will remove only the invoice and ship it as it is. I have 9 cats, but my room doesn't smell at all. Recommended for use in the litter box area. This set of 4 bottle-shaped deodorizers will keep your room comfortable. Brand new, unused. - Contents: Set of 4 (with instructions) - Product Name: cleairy - Purpose: Deodorizing and disinfecting - Design: Bottle-shaped Please note that I will ship via regular mail, so if you would like a tracking number, please comment. It will be an additional 210 yen. Please understand that I am not responsible for any issues after shipping. Thank you for looking.