The Vanguard Alta+ tripod bags are constructed of a durable 4200D polyester that is padded to protect your tripod. Alta+ Bag 60 fits Alta+ 254CT, Alta+ 255CT, Alta+ 254CP, Alta+ 254CO, Alta+ 255CO, Alta+ 203AP, Alta+ 234AP, Alta+ 234AB, Alta+ 264AP, Alta+ 264AB, Alta+ 233AO, and Alta+ 265AO.