The Drop-Ins System from Playtex with NaturaLatch Slow Flow Nipple designed: For proper latch-on with raised, textured area. To be close to breastfeeding. To mimic natural feeding rhythm for a comfortable feed. Pre-Sterilized Drop-Ins Liners collapse for less air, gas and colic discomfort. Easy to hold. Contents: 1 nurser with slow flow nipple, 5 Drop-Ins liners. COLORS MAY VARY.