I purchased and used this about 10 years ago. I didn't use it very often, and there are no noticeable stains. I mainly used it as a baby bottle pouch, but it can also hold a plastic bottle, so it can be used for a long time. ⭐︎Compatible with baby bottles up to 240ml, with a pocket for stick-type powdered milk. ⭐︎Can hold up to a 500ml plastic bottle. ⭐︎Comes with an easy hook that can be attached to a stroller, etc.