New. Unused. I made a mistake with the size, so I haven't even tried it on. It has been stored at home since opening. There are no instruction manuals or other documentation. Please check the website for usage instructions. This harness is made of breathable mesh material, providing a comfortable fit. - Brand: Richell - Color: Black Stripe - Material: Mesh - Washing Instructions: Hand washable Thank you for viewing. Make walks and drives more fun and comfortable! This is a vest-type harness that puts less strain on a dog's body. ・By changing the leash attachment, it can be used for both walks and drives. ・When driving, it can be secured to the seatbelt to prevent sudden jumping out. ・It can be hand-washed, so it can be kept clean. ●Product Information● Product Name/Odekake Vest Harness S For extra-small dogs Weight Guide/Under 4kg Applicable Size/ 　Neck: 17～25(cm) 　Chest: 26.5～40(cm) 　Length: 21(cm) Material/Polyester, etc.