The Olababy Travel and Storage caps are suitable to fit into Olababy bottles. 

Features:

• Made with 100% food-grade Silicone
• Converts GentleBottles into travel storage containers
• Ideal for freezing breast milk
• Heat-safe up to 428°F/220°C
• Dishwasher & microwave safe (top rack only)
• Include 4 caps

*Please note, bottle sold separately