This is an outdoor deodorizer developed in collaboration with Kitami Institute of Technology, made with 100% natural and harmless ingredients that are environmentally friendly and safe for pets. Simply spray it on areas of concern using a spray bottle. I am selling this because I mistakenly purchased it thinking it was for indoor use. - Capacity: 4L - Application: Outdoor deodorizer - Ingredients: 100% natural ingredients - Target: For pets - Features: Harmless, safe, and odorless Thank you for viewing.