Eliz Air-Tight Collar. Inflatable collar designed with fit, comfort and high visibility. The large velcro closure in front keeps the collar snug and makes for quick removal and application. With double-welded inside seams for added strength, collars are durable inflatable collars that don?t block your patient?s vision. The easy-clean surface is puncture resistant and its calming light blue color is within the spectrum that is visible to dogs.