All of the bags would be made after payment .As this bag is handmade ,the prepare time would be longer than usual .Please contact with the seller about the handing time before making payment . This bag is 100% handmade,there would be little difference about the parameters for each bag. This bag is custom design.If not quality problem ,no return. The length of the chain/strap is 1meter.It is not adjustable .If you need it longer or shorter,please write to the seller before handing.Customise length is ok. The bag is well made and goes with lots of summer colors.