Features: Littmann eartips offer excellent acoustic seal, increased comfort, durability, and a tighter fit to your Littmann stethoscope. A ribbed eartube on all Littmann stethoscopes offers a snap tight fit that won't loosen during routine use. Snap Tight soft-sealing eartips feature a surface treatment that increases surface lubricity for better performance and easier care. Benefits: Snap Tight eartips are available in small and large sizes, soft-sealing and firm models, and in black and gray to match stethoscope rim color. Suggested Applications: Replacing ear tips on Littmann Stethoscopes.