A carrier apparatus is provided for transport through a pneumatic tube delivery system. The carrier apparatus comprises a housing contoured with forward and aft portions and an axially extended body portion disposed therebetween. The housing includes at least first and second separable sections enclosing a carrying compartment. At least a pair of retaining assemblies are detachably coupled to the housing, with each retaining assembly encircling the housing's body portion to couple the first and second housing sections for angular displacement one relative to the other between open and closed configurations. Each of the retaining assemblies includes a glide band portion disposed to protrude radially from the housing in the closed configuration for slidably engaging an inner wall surface of a pneumatic delivery tube. At least one latch assembly is coupled to releasably lock the housing sections in the closed configuration.