I've had it for about a year, but I've only used it once, so there are no stains or anything. *Product Name* NEW ERA/New Era Backpack Sports Bag 31L Basketball Bag *Color* 14521305 Black *Material* Polyester/1680D *Size* Width x Height x Thickness: Approximately 33 x 50 x 18cm Capacity: Approximately 31L *Product Description* A sports bag developed with the concept of carrying basketballs and soccer balls. The ball storage section can also be used for other purposes, such as storing other equipment or separating sweaty clothes, and is useful in various sports scenes.