Dr Brown's Wide-Neck Transition Bottle: When to Switch
By Dr Browns | Published: 2026-11-03
Category: How-to Guides
Ready to move from a narrow-neck bottle to a wide-neck transition bottle? Here's how to time the switch and introduce the Dr Brown's 270ml Green Stars bottle smoothly.
Quick answer
Switch to a wide-neck transition bottle when your baby shows signs of feeding independence—usually around 6 months—and can sit up with minimal support. The Dr Brown's 270ml Wide-Neck Transition Bottle with Level 3 nipple and silicone sippy spout is designed for this stage.
Why wide-neck bottles can ease the transition
Wide-neck bottles have a broader base and nipple, which can feel more like a breast or a sippy cup than a narrow-neck bottle. For older babies, this familiarity can reduce resistance when moving away from bottle feeding. The wider shape also makes the bottle easier for small hands to grip and for you to clean.
Dr Brown's wide-neck transition bottle includes a Level 3 medium-fast flow nipple and a soft silicone sippy spout, so you can move from bottle to cup without changing the bottle body. This two-in-one approach simplifies the process and saves money.
When to hold off on switching
If your baby is still comfortably taking a narrow-neck bottle and shows no interest in holding or sipping, there's no rush. Introducing a wide-neck bottle too early may cause frustration if the nipple flow is too fast or the bottle feels unfamiliar. Also, if your baby has feeding difficulties or reflux, consult your pediatrician before changing bottle types.
Steps to switch from narrow-neck to wide-neck
- Check readiness signs: Look for your baby holding the bottle with both hands, showing interest in cups, or finishing feeds faster than usual. These signs typically appear around 6 months. If your baby can sit with support and brings objects to mouth, they may be ready.
- Introduce the wide-neck bottle gradually: Start with one feed per day using the wide-neck bottle with the Level 3 nipple. Keep other feeds in the familiar narrow-neck bottle to avoid overwhelming your baby. Offer the new bottle when your baby is relaxed, not overly hungry.
- Watch for flow issues: If your baby coughs, splutters, or lets milk dribble, the Level 3 nipple may be too fast. Try a slower-flow nipple if available, or return to the narrow-neck bottle for a few days. Never force a feed; stop and try again later if your baby resists.
- Transition to the sippy spout: Once your baby is comfortable with the wide-neck bottle, swap the nipple for the silicone sippy spout during one feed. Offer water or milk and demonstrate sipping. Expect some spills; use a bib and be patient.
- Phase out the narrow-neck bottle: Gradually replace more feeds with the wide-neck bottle or sippy spout over 1–2 weeks. Keep the narrow-neck bottle for comfort feeds if needed. Don't rush; some babies need more time to adjust.
Product facts
- Dr. Brown's 270ml Wide-Neck Transition Bottle - Green Stars: Includes a Level 3 medium-fast flow nipple and a soft 100% silicone sippy spout, BPA free, for 6m+. You can use the same bottle for both bottle feeds and first sips, making the switch gradual and cost-effective.

Dr. Brown's 270ml Wide-Neck Transition Bottle - Green Stars
