DEL-MAR HOLTER POUCH (27249-7-401). Disposable Holter Monitor / Recorder Pouch for Delmar Aria Spacelabs Recorder. Secure, comfortable fit with long ties loop around neck or torso and ensures durability and comfort for long testing periods. Size: 2-3/4" x 3-1/4". 1/ea, 25/bg. Price per Each.