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5-Layer Vacuum Insulation Cross-section for Temperature Retention
100% Leak-Proof Screw Cap and Food-Grade 304 Stainless Steel Mouth
Custom Logo Printing and Powder Coating Surface Finish Options
10+ Custom Lid Styles for Stainless Steel Bottles: Wood, Steel, Handles
Mix and Match Lid Combinations for Personalized Water Bottles
Optional Portable Silicone Carry Loop for Insulated Bottles
Adjustable Shoulder Strap for Hands-free Carrying Convenience
Durable Stainless Steel Water Bottle for Hiking and Outdoor Sports
Water Bottle Size Guide: 350ml, 500ml, 750ml, 1000ml Dimensions

Wholesale Narrow Mouth Water Bottle | Custom Stainless Steel Vacuum Flask

Product Features:
  • Double Wall Vacuum Insulation: Keeps your beverages icy cold for up to 24 hours and steaming hot for up to 12 hours.
  • 100% Leak-Proof Screw Cap: Precision-threaded lid ensures a secure, airtight seal for mess-free travel.
  • Premium Material: Food-grade 18/8 (304) stainless steel inner and outer walls; BPA-free and eco-friendly.
  • Narrow Mouth: Optimized for easy sipping and enhanced temperature retention.
  • 10+ Interchangeable Lids: Compatible with wood caps, stainless steel lids, and various handle designs.
  • Optional Value-Addons: Silicone Bottom Boot、Silicone Carry Loop、Matching Shoulder Strap
  • Professional Customization: Supports custom Logo, surface finishes (powder coating/painting), and bespoke packaging.
  • Wholesale MOQ: Minimum order quantity starts at 300pcs.
Support sea/air/express delivery, estimated delivery time: 15-30 days
Product Details
Material

SUS 304 Inner

Food-grade 18/8 stainless steel ensures zero metallic taste.

Isolation

Temp-Lock™ Vacuum

5-layers of insulation provide 12 hours of heat, 24 hours of cold, and 36 hours of ice.

Exploded view of a standard mouth insulated water bottle showing 18/8 stainless steel double wall vacuum insulation

Built for Performance.

Coating

Hard-Shield™ Finish

4H hardness powder coating, resistant to scratches and chips.

100% Leak-Proof

Precision Seal

Custom-Precision-Screw lid 100% Leak-Proof.

Bespoke Services

Customization Options

Enterprise-level OEM/ODM solutions tailored to your brand’s precise requirements.

Professional custom logo printing on narrow mouth water bottles using laser engraving and silk screen for bulk branding

Logo Printing

High-precision laser engraving, silk screening, and 3D UV branding options.

Premium powder coating and custom Pantone colors for narrow mouth flasks available for wholesale orders

Surface Printing

Premium powder coating, rubberized finishes, and custom Pantone color matching.

Industrial design and OEM mold services for standard mouth insulated water bottles to create unique product shapes

Prototype Design

Professional engineering support for bespoke shapes and functional prototyping.

Eco-friendly custom packaging solutions for standard mouth water bottles including branded cylinder boxes and gift sets

Packaging Box

Fully customizable retail packaging, gift sets, and sustainable boxing solutions.

Request a Free Mock-up
Download AI Template

Mix & Match System

8 Custom Lids.
Infinite Styles.

We’ve engineered 8 unique, functional lids to complement your bottle. From natural wood to rugged steel, choose any combination to create a product that truly stands out.

Preview

Painted Steel Cap – X01

Matching Color Style

X01
X01
X02
X02
X03
X03
X05
X05
X06
X06
X07
X07
X10
X10

Versatile Usage

Designed for Every Moment

From high-intensity workouts to professional boardroom meetings.

Outdoor Adventure

Rugged Outdoor & Camping

Fitness & Gym

In-vehicle

Daily Travel

Daily Commute & Travel

Sports & Fitness

Sports & Fitness

Engineering Standards

Detailed Specifications


Product Name
Premium Stainless Steel Vacuum Water Bottle


Material
Food-grade Stainless Steel 304 (18/8), BPA-Free


Capacity
12oz / 17oz / 25oz / 32oz (Multiple sizes available)


Insulation
Advanced vacuum tech: Hot for 12 hours / Cold for 24 hours


Type
Double-wall high-performance vacuum insulation


Certifications
FDA, LFGB, RCS, BSCI compliant



Download Full Spec Sheet (PDF)

Need a custom size? Contact us for OEM.

In-Stock & Ready to Brand

20+ Stock Colors for Fast Customization Bulk

18/8 Stainless Steel | Double-Wall Vacuum | BPA Free. We support low MOQ orders with custom logo printing and ultra-fast 7-day shipping to scale your business rapidly.

Narrow Mouth Water Bottle - Midnight Black (Black)

Code: Black

Midnight Black (Black)

Wholesale Midnight Black (Black) Narrow Mouth Water Bottle Stock
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Wholesale stock of thermos bottles
Customized brand insulated water bottles

Factory Direct Reliability

Real-time production & QC in our Yongkang facility.

Global Compliance

We meet the strictest safety standards for international markets.

FDAFDA Food Safe
LFGBLFGB (EU)
BSCIBSCI Audited
ISOISO 9001

View Full Quality Reports →

Reliable Wholesale Water Bottle Supplier

As a leading vacuum flask manufacturer, we specialize in providing wholesale insulated water bottles with rapid turnaround times. Our bulk inventory of 21 signature matte colors is maintained in our facility to ensure fast lead times for global distributors. Whether you are looking for small batch orders or large-scale OEM projects, our supply chain is optimized for your brand’s growth.

Premium Custom Logo & OEM Services

Elevate your brand with our custom logo printing service. We offer high-precision laser engraving, silk screening, and 3D printing on our BPA-free, 18/8 stainless steel flasks. Each bottle is engineered with double-wall vacuum technology, keeping drinks cold for 24 hours. Partner with a professional manufacturer to get factory-direct pricing and dedicated ODM support for your unique drinkware designs.

Get Your Custom Solution Today

12-Hour Response Guaranteed | Free Digital Mockups | Direct Factory Pricing

  • Ready To Customize Your Perfect Drinkware

    "Message me directly. Let’s build your brand with a supply chain you can lean on." —— Judy

    Our team will answer your inquiries within 12 hours. Your information will be kept strictly confidential.