Putting practice ball with a return function. - Brand: Srixon - Model Name: Ping Pong Putt - Function: Ball return - Features: For putting practice - Size: Ball cup diameter 10.8cm Thank you for viewing. As shown in the fourth photo, there is a stain on the back of the rubber, the cause of which is unknown, whether it was there from the beginning or occurred during use. Also, there is a small scratch on the foot part, as shown in the third photo. I purchased it about 3 days ago and practiced indoors. Neither the scratches nor the stains affect the use, but I would appreciate it if you could understand this.