---
product_id: 210922786
title: "Borosil 350Ml Vacuum Insulated Double Wall Travel Mug|Coffee Mug|Tea Mug|Thermos|Flask|Portable|Office|Outdoor|Reusable|Leak Proof, Silver"
brand: "borosil"
price: "¥9615"
currency: JPY
in_stock: false
reviews_count: 5
url: https://www.desertcart.jp/products/210922786-borosil-350ml-vacuum-insulated-double-wall-travel-mug-coffee-mug
store_origin: JP
region: Japan
---

# 100% leak-proof airtight lid Keeps drinks hot up to 8 hrs Keeps drinks cold up to 14 hrs Borosil 350Ml Vacuum Insulated Double Wall Travel Mug|Coffee Mug|Tea Mug|Thermos|Flask|Portable|Office|Outdoor|Reusable|Leak Proof, Silver

**Brand:** borosil
**Price:** ¥9615
**Availability:** ❌ Out of Stock

## Summary

> ☕ Sip Smart, Stay Sharp – Your Ultimate Travelmate!

## Quick Answers

- **What is this?** Borosil 350Ml Vacuum Insulated Double Wall Travel Mug|Coffee Mug|Tea Mug|Thermos|Flask|Portable|Office|Outdoor|Reusable|Leak Proof, Silver by borosil
- **How much does it cost?** ¥9615 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/210922786-borosil-350ml-vacuum-insulated-double-wall-travel-mug-coffee-mug)

## Best For

- borosil enthusiasts

## Why This Product

- Trusted borosil brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Spill-Proof Confidence:** Airtight, leak-proof lid means no more embarrassing spills in your bag or on your desk—perfect for the on-the-go professional.
- • **Eco-Chic Sustainability:** BPA-free and reusable design replaces single-use plastics, letting you sip sustainably while making a style statement.
- • **Condensation-Free Comfort:** No sweat exterior keeps your hands and belongings dry, so you stay polished and mess-free all day long.
- • **Sleek, Pocket-Ready Design:** Compact and lightweight, this mug fits effortlessly into your backpack or car cup holder, blending convenience with modern minimalism.
- • **All-day Temperature Control:** Double-wall vacuum with copper coating locks in heat or chill for hours, so your coffee or tea stays just right from morning meetings to evening commutes.

## Overview

The Borosil 350ml Vacuum Insulated Travel Mug features double-wall vacuum insulation with copper coating to keep beverages hot for up to 8 hours and cold for up to 14 hours. Its leak-proof, airtight lid and condensation-free exterior make it ideal for professionals on the move. Lightweight and BPA-free, this sleek silver mug fits most car cup holders and backpack pockets, combining sustainability with practical design.

## Description

Designed for one-handed use, and to fit in most car cup holders, the Travelmate is the perfect choice when on the go. It stays cool to the touch with hot liquids and doesn’t sweat with cold liquids, which means that you can carry absolutely any drink and put it in your bag without worrying about the other contents in it. It goes without saying of course, that it is spill proof. Travel away with the Travelmate!

Review: The product say liquid remains hot for 8 hours, it did not even last for two hours
Review: Quality is as promised, leak proof and star looking. But the warmth does not remain for more than 3-4 hours. Ended up using for cold fluids. Overall: recommended.

## Features

- THERMAL INSULATION: Keeps your drink hot for 8 hours and cold for 14 hours. Insulated double wall vacuum with copper coating for maximum temperature retention.
- SUSTAINABLE: BPA FREE and a great substitute for plastics and thermocols. Reusable and environment friendly.
- LEAK PROOF: Leak-proof and airtight lid prevents unnecessary spills and leaks. Condensation free exterior so your hands and bag stay dry.
- DESIGN: Sleek and thoughtful design makes it easy to carry in side pockets of backpacks or bags
- PORTABLE: Lightweight and easy to carry making it ideal for travel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07G3H1LTZ |
| Age Range (Description) | Adult |
| Batteries required | No |
| Brand | Borosil |
| Color | Silver |
| Customer Reviews | 3.8 3.8 out of 5 stars (1,509) |
| Included Components | BOROSIL VACUUM TRAVELMATE MUG, BT350SSB109, 350ML |
| Item Weight | 13.4 ounces |
| Item model number | 8901309219518 |
| Manufacturer | Marketed & Imported By - Borosil Limited |
| Material Feature | Insulated |
| Number of Items | 1 |
| Number of pieces | 1 |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Product Dimensions | 2.59 x 2.59 x 3.16 inches |
| Recommended Uses For Product | Travel |
| Reusability | Reusable |
| Shape | Cylindrical |
| Size | 11.8 Ounces |
| Special Feature | Leak Proof |
| Style | Modern |
| Theme | Vehicle |
| Unit Count | 1.0 Count |
| Volume | 350 Milliliters |

## Product Details

- **Brand:** Borosil
- **Capacity:** 350 Milliliters
- **Color:** Silver
- **Material:** Borosilicate Glass
- **Special Feature:** Leak Proof

## Images

![Borosil 350Ml Vacuum Insulated Double Wall Travel Mug|Coffee Mug|Tea Mug|Thermos|Flask|Portable|Office|Outdoor|Reusable|Leak Proof, Silver - Image 1](https://m.media-amazon.com/images/I/41-+4UkpbJL.jpg)
![Borosil 350Ml Vacuum Insulated Double Wall Travel Mug|Coffee Mug|Tea Mug|Thermos|Flask|Portable|Office|Outdoor|Reusable|Leak Proof, Silver - Image 2](https://m.media-amazon.com/images/I/410cnSu-1iL.jpg)
![Borosil 350Ml Vacuum Insulated Double Wall Travel Mug|Coffee Mug|Tea Mug|Thermos|Flask|Portable|Office|Outdoor|Reusable|Leak Proof, Silver - Image 3](https://m.media-amazon.com/images/I/41rOAO0Wy1L.jpg)
![Borosil 350Ml Vacuum Insulated Double Wall Travel Mug|Coffee Mug|Tea Mug|Thermos|Flask|Portable|Office|Outdoor|Reusable|Leak Proof, Silver - Image 4](https://m.media-amazon.com/images/I/61512T6pQyL.jpg)
![Borosil 350Ml Vacuum Insulated Double Wall Travel Mug|Coffee Mug|Tea Mug|Thermos|Flask|Portable|Office|Outdoor|Reusable|Leak Proof, Silver - Image 5](https://m.media-amazon.com/images/I/61ObvFzevuL.jpg)

## Customer Reviews

### ⭐ Review
*by M***H on January 8, 2024*

The product say liquid remains hot for 8 hours, it did not even last for two hours

### ⭐⭐⭐⭐⭐ Review
*by U***1 on September 24, 2020*

Quality is as promised, leak proof and star looking. But the warmth does not remain for more than 3-4 hours. Ended up using for cold fluids. Overall: recommended.

### ⭐⭐⭐⭐ Review
*by A***R on October 8, 2022*

The flask performs well. The heat loss is minimal, but you can definitely feel a little heat around the cap when fully filled with hot water. However this doesn't seem to affect its performance much - the flask retains heat well.

## Frequently Bought Together

- Borosil Vacuum Insulated Double Wall Travelmate Mug|Coffee Mug|Tea Mug|Thermos|Flask|PortableOffice|Outdoor|Reusable|Leak Proof, Silver, 350Ml
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**Shop now:** [https://www.desertcart.jp/products/210922786-borosil-350ml-vacuum-insulated-double-wall-travel-mug-coffee-mug](https://www.desertcart.jp/products/210922786-borosil-350ml-vacuum-insulated-double-wall-travel-mug-coffee-mug)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-04*