Holter Pouch for Midmark IQ Mark, Datrix 512, NorthEast Monitoring DR180+, Rozinn 152, Welch Allyn MT100. 5" x 7" with 1 middle snap closure and 2" left slit. Blue. Long ties which loop around the patient's neck or torso ensure a secure fit. Pouches prevent cross contamination between patients. 1/EA 25/PK. Price per Each.