Playtex Drop-Ins Pre-Sterilized Disposable Liners 8-10 oz. 50 Count (4-Pack)

Easy to use, Playtex Drop-Ins Liners provide your baby with a safe, comfortable way to enjoy bottle-feeding. The disposable liner collapses as your child drinks, providing air-free feeding and greatly reducing gas and messy spit-ups. Each liner fits conveniently within a bottle, so you can prepare a meal quickly. Drop-Ins Liners are BPA-free and clinically shown to mimic natural breastfeeding, so babies feel secure as they eat.With the Twist 'n' Click feature, the lid click closes with a simple twist and the cup becomes 100% leak-proof. It's also well insulated to keep drinks cool and fresh for longer periods.