Good working condition. Features & details SAFE & EASY WARMING: The Kozii baby bottle warmer creates a flowing warm water bath (NOT dangerous steam) to quickly and gently thaw and warm breast milk according to CDC and USDA guidelines. GREAT BABY SHOWER PRESENT: New parents are always looking for safe and effective products for use through the toddler years, making Kiinde Twist and Foodii systems a great baby shower present.PVC free UNIVERSAL WARMING CHAMBER: Kozii’s warming chamber is designed for bags, pouches, bottles, and jars. It heats foods to the perfect temperature for Baby so you don’t have to worry about overheating.Nitrosamine-Free PRESERVES NUTRIENTS IN BREAST MILK: Kozii uses gentle heat to preserve the unique set of nutrients found in breast milk. You won’t have to worry about the integrity of vitamins and minerals naturally occurring in a mother’s milk. WARMS MANY CONTAINERS & MATERIALS: Kozii can heat up virtually any reusable or disposable container including milk storage bags, milk pouches, baby bottles, food jars, or liner bottles.