---
product_id: 259130488
title: "Dr. Brown's Natural Flow® Level 4 Narrow Baby Bottle Silicone, Fast Flow, 9m+, 100% Silicone Bottle, 6 Pack"
brand: "dr. brown's"
price: "¥7747"
currency: JPY
in_stock: true
reviews_count: 12
category: "Dr. Brown's"
url: https://www.desertcart.jp/products/259130488-dr-browns-natural-flow-level-4-narrow-baby-bottle-silicone
store_origin: JP
region: Japan
---

# Fastest Level 4 flow 100% super-soft silicone Clinically proven anti-colic vent Dr. Brown's Natural Flow® Level 4 Narrow Baby Bottle Silicone, Fast Flow, 9m+, 100% Silicone Bottle, 6 Pack

**Brand:** dr. brown's
**Price:** ¥7747
**Availability:** ✅ In Stock

## Summary

> 🍼 Fast flow, fuss-free feeding — because your baby deserves the best!

## Quick Answers

- **What is this?** Dr. Brown's Natural Flow® Level 4 Narrow Baby Bottle Silicone, Fast Flow, 9m+, 100% Silicone Bottle, 6 Pack by dr. brown's
- **How much does it cost?** ¥7747 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/259130488-dr-browns-natural-flow-level-4-narrow-baby-bottle-silicone)

## Best For

- dr. brown's enthusiasts

## Why This Product

- Trusted dr. brown's brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Breast-Like Comfort & Latch:** Soft, natural nipple shape eases transition between breast and bottle, supporting feeding confidence.
- • **Premium 100% Silicone Build:** Super-soft, BPA-free silicone ensures safety and durability, fitting all Dr. Brown’s Narrow bottles.
- • **Fastest Flow for Growing Babies:** Level 4 nipple delivers a consistent, rapid flow perfect for 9 months+ to keep up with your baby's pace.
- • **Clinically Proven Anti-Colic System:** Internal vent reduces spit-up, gas, and burping for a calmer, happier baby and better sleep.
- • **Effortless Cleaning & Sterilization:** Dishwasher (top rack) and sterilizer safe for busy parents who demand convenience.

## Overview

Dr. Brown's Natural Flow® Level 4 Narrow Baby Bottle Silicone offers the fastest nipple flow designed for babies 9 months and older. Featuring a clinically proven anti-colic internal vent system, this 100% super-soft silicone nipple reduces colic symptoms like spit-up and gas, promoting a comfortable feeding experience. Its breast-like shape supports natural latch and smooth transition between breast and bottle. Safe, durable, and easy to clean, it fits all Dr. Brown’s Narrow bottles and is BPA free.

## Description

Dr. Brown’s Natural Flow® Level 4 Nipple is the fastest flow for babies 9 months+. Dr. Brown’s® Level 4 Nipple, together with the Anti-Colic internal vent system, is clinically proven to reduce colic. Dr. Brown’s® bottle and nipple provide a more comfortable feeding experience for baby by decreasing spit-up, burping and gas. This vacuum-free feeding is closest to breastfeeding and Dr. Brown’s® Fast Flow Nipples provide a consistent flow so baby can feed at their own pace. The breast-like nipple shape encourages a proper latch for a more natural bottle feeding experience and eases the transition from breast to bottle and back again. The Level 4 Nipple and Anti-Colic vent system is proven to help preserve bottle milk nutrients and aid in digestion for a better night’s sleep. Made of super-soft, 100% silicone, the Level 4 Nipple fits all Dr. Brown’s® narrow bottles. The suggested age range for the Level 4 Nipple is 9 months+, but baby’s preferred flow rate may vary. Safe for use in dishwasher (top rack only), electric and microwave sterilizers or boiling water. BPA free.

Review: Good - Good condition and received on time
Review: ممتاز

## Features

- Fast flow nipple works with internal vent system for paced feeding
- Each Level 4 Nipple has same consistent flow rate, so both you and baby know what to expect
- Made of super-soft, high-grade silicone and fits all Dr. Brown’s Narrow bottles
- The suggested age range for the Level 4 Nipple is 9 months+, but baby’s preferred flow rate may vary
- Dishwasher (top rack) and sterilizer safe , BPA free.Level up to a faster nipple flow! Dr. Brown’s Level 4 Narrow Nipple is our fastest flow nipple for babies 9m+.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B015XBYL4Q |
| Additional product features | BPA Free, Dishwasher Safe, Level 4 |
| Batteries required | No |
| Best Sellers Rank | #497 in Baby Products ( See Top 100 in Baby Products ) #7 in Baby Bottle Nipples |
| Bottle nipple type | Ventilated, Anti-Colico |
| Customer Reviews | 4.8 4.8 out of 5 stars (121,240) |
| Date First Available | 8 March 2016 |
| Item Weight | 22.7 g |
| Item model number | SN461-WEB |
| Material Composition | 100% Silicone |
| Material Type | Silicone |
| Material free | Bisphenol A Free |
| Model number | SN461-WEB |
| Number of items | 1 |
| Product Dimensions | 17.27 x 7.37 x 11.43 cm; 22.68 g |
| Style | Level 4, 6 Pack, 9m+ |

## Product Details

- **Bottle nipple type:** Ventilated, Anti-Colico
- **Brand:** Dr. Brown's
- **Liquid flow speed description:** Fast Flow
- **Material:** Silicone
- **Size:** 6 Count (Pack of 1)

## Images

![Dr. Brown's Natural Flow® Level 4 Narrow Baby Bottle Silicone, Fast Flow, 9m+, 100% Silicone Bottle, 6 Pack - Image 1](https://m.media-amazon.com/images/I/81YklFBK7VL.jpg)
![Dr. Brown's Natural Flow® Level 4 Narrow Baby Bottle Silicone, Fast Flow, 9m+, 100% Silicone Bottle, 6 Pack - Image 2](https://m.media-amazon.com/images/I/71W3L2hT14L.jpg)
![Dr. Brown's Natural Flow® Level 4 Narrow Baby Bottle Silicone, Fast Flow, 9m+, 100% Silicone Bottle, 6 Pack - Image 3](https://m.media-amazon.com/images/I/81YwSDxGHmL.jpg)
![Dr. Brown's Natural Flow® Level 4 Narrow Baby Bottle Silicone, Fast Flow, 9m+, 100% Silicone Bottle, 6 Pack - Image 4](https://m.media-amazon.com/images/I/71QlXRH5YuL.jpg)
![Dr. Brown's Natural Flow® Level 4 Narrow Baby Bottle Silicone, Fast Flow, 9m+, 100% Silicone Bottle, 6 Pack - Image 5](https://m.media-amazon.com/images/I/71VG0y4tw-L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: Does this fit with medela bottles?**
A: No

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by H***N on 14 April 2025*

Good condition and received on time

### ⭐⭐⭐⭐⭐ Review
*by ا***ي on 26 February 2025*

ممتاز

### ⭐⭐⭐⭐ Good quality but Unsecured packaging.
*by M***H on 13 June 2024*

Good quality and all nipples were delivered, but the packaging was not properly secured.

## Frequently Bought Together

- Dr. Brown's Original Nipple, Level 4 (9m+), 6 Count
- Dr. Brown's Natural Flow Anti-Colic Options+ Narrow Baby Bottle, 8 oz/250 mL, with Level 1 Slow Flow Nipples, 0m+, 4 Pack

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-17*