The seat cushion constructed from 1000-denier textured nylon has a 2" pad, which provides comfortable seating when the cover is placed over a protective hard case box such as Kupo Croxs case CX5219 or Pelican 1510 in a vertical orientation. Features a wide opening with a durable drawstring closure makes it easy keep the seat cushion attached securely. The unique "Trolley sleeve" design also allows you to use haulage handle without taking off the seat cushion when it is required to move the case.