ProX XS-SP2X281716 Universal Dual ATA Style Speaker Flight Case Fits Two of Most 15 Inch SpeakersThe ProX XS 2X281716 is designed to fit and protect most 15 Inch loudspeakers. This professional speaker case employs a 3 8" laminated Honeycomb plywood that has a hard shell with internal impact resistant padding to provide the best protection for your investment. No matter where you take your speakers you can have peace of mind nothing will get damaged during transit or in storage. This particular case rests on four high quality 4" casters designed