Leaving baggage in coin locker at Shin-Osaka Station for 2.5 days in Osaka Forum Posted October 8, 2018 Generally, you can use a locker for a maximum of three days. After the initial first day charge you will need to pay for extra days when you collect your luggage. After three days your property will be transferred to another storage area. If your property is not claimed from storage within 30 days it will be disposed of. There is also a luggage storage office on the 1st floor: https://www.osakastation.com/shin-osaka-station-facilities-transfers/ Some hotels will store your luggage for a few days if you are staying there. You can also use a delivery service to send your luggage directly to your next destination or to the airport.