Two-sided models with traditional bell/diaphragm chestpieces are designed, sized and acoustically precise for children and infants. Feature patented Littmann Snap Tight soft-sealing eartips plus patient-friendly nonchill rim. Three-year warranty plus a lifetime service and repair policy.- Infant Stethoscope, 28", Rainbow Finish Chestpiece, Raspberry Tubing (Littmann items are only available for sale online by distributors authorized by 3M Littmann)