I purchased these for international travel, but I'm selling them now that I've stopped breastfeeding. Chu-bo! Chu-bo! Disposable baby bottle set for outings, 15 bottles total With box (4 bottles per box) → 3 boxes, loose bottles without box → 3 bottles Purchase date: Around spring of this year These are disposable baby bottles that can be used immediately without sterilization or washing. They are also recommended for outings or as emergency supplies. Please note that there may be minor box damage due to home storage. Please purchase only if you understand and accept this.