SKB Mixer Safe 33 X 31 Universal Mixing Board Case Securely holds non-rackable mixers The interior transforms into a snug cradle for virtually any non-rackable mixer up to 33" x 31" Corner cleats securely fasten to the Velcro bed of the case to hold your board firmly in place SKB is our premier supplier of instrument and gear cases SKB builds their products with military-spec, ultrahigh molecular weight polyethylene and premium hardware