No need for a case! Pinch the pacifier to tuck the nipple away to protect it from unwanted surface contact when you and baby are on the go. Designed to hold its position, even when baby plays with it or takes a break. Ideal when paired with a pacifier clip, simply pinch the sides to close it while baby wears it. Firm bubble is safe for teething babies. 100% silicone. No lead, PVC, BPA, latex or phthalates. Dishwasher safe. 0-6 Months.