---
product_id: 360425953
title: "Glass To-Go Tumbler, Slate, 12 oz, Lightweight Borosilicate Glass, Non-Slip Insulating Silicone Sleeve, 100% Leak-Proof, Lockable Closure, BPA-Free, Coffee Mug to Go"
brand: "black + blum"
price: "฿4291"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/360425953-glass-to-go-tumbler-slate-12-oz-lightweight-borosilicate-glass
store_origin: TH
region: Thailand
---

# 100% leak-proof lockable lid 12 oz lightweight borosilicate glass non-slip insulating silicone sleeve Glass To-Go Tumbler, Slate, 12 oz, Lightweight Borosilicate Glass, Non-Slip Insulating Silicone Sleeve, 100% Leak-Proof, Lockable Closure, BPA-Free, Coffee Mug to Go

**Brand:** black + blum
**Price:** ฿4291
**Availability:** ✅ In Stock

## Summary

> ☕ Elevate your daily grind with leak-proof style and pure taste!

## Quick Answers

- **What is this?** Glass To-Go Tumbler, Slate, 12 oz, Lightweight Borosilicate Glass, Non-Slip Insulating Silicone Sleeve, 100% Leak-Proof, Lockable Closure, BPA-Free, Coffee Mug to Go by black + blum
- **How much does it cost?** ฿4291 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/360425953-glass-to-go-tumbler-slate-12-oz-lightweight-borosilicate-glass)

## Best For

- black + blum enthusiasts

## Why This Product

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

## Key Features

- • **Leak-Proof Confidence:** Lockable lid guarantees 100% spill protection—even with carbonated drinks—so your bag stays dry.
- • **Designed for Every Commute:** Slim 7.2 cm diameter fits seamlessly into bike bottle cages and car cup holders.
- • **Durable & Comfortable Grip:** Protective silicone sleeve insulates heat, prevents slips, and guards against breakage.
- • **Pure Taste, Zero Compromise:** Mouth-blown borosilicate glass preserves your coffee’s true flavor without any plastic aftertaste.
- • **Effortless One-Hand Operation:** Open or close your mug with a single hand, perfect for multitasking pros on the move.

## Overview

The BLACK + BLUM Glass To-Go Tumbler is a 12 oz lightweight, mouth-blown borosilicate glass travel mug featuring a 100% leak-proof lockable lid and a non-slip insulating silicone sleeve. Designed for busy professionals, it fits bike and car holders, offers one-handed operation, and ensures your beverages stay pure and secure on the go.

## Description

BLACK + BLUM Glass To-Go Tumbler, Slate, 12 oz, Lightweight Borosilicate Glass, Non-Slip Insulating Silicone Sleeve, 100% Leak-Proof, Lockable Closure, BPA-Free, Coffee Mug to Go

## Features

- Taste-neutral: the high-quality coffee to go mug made of borosilicate glass ensures a pure coffee taste. Ideal for any type of beverage, hot or cold.
- Borosilicate glass is mouth-blown, extra, lightweight and durable. So you no longer need to take heavy glass bottles with you and no fear of breakage, thanks to the protective silicone sleeve.
- Leak-proof: the coffee to go mug has a lockable lid with extra locking and ensures 100% leakage protection. Even with carbonated drinks
- To go: a tea mug to go for every occasion! Fits in bicycle bottle holder and car cup holder, opens with one hand and the silicone sleeve ensures comfortable holding.
- KEYFACTS: The mug to go is dishwasher safe, microwave safe, freezer safe, non-slip silicone cover, lockable lid, 100% leak-proof, BPA-free, 7.2 cm x 7.2 cm x 16.5 cm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | BLACK + BLUM |
| Model Number | TC-GR015 |
| Color | Slate |
| Diameter | 7.2 Centimeters |
| Capacity | 340 Milliliters |
| Material | Glass Nylon Polypropylene (PP) lilicone |
| Special Features | Direct flow, Leak Proof |
| Item Weight | 300 g |

## Product Details

- **Brand:** BLACK + BLUM
- **Material:** Glass Nylon Polypropylene (PP) lilicone
- **Colour:** Slate
- **Capacity:** 340 Milliliters
- **Special features:** Direct flow, Leak Proof

## Images

![Glass To-Go Tumbler, Slate, 12 oz, Lightweight Borosilicate Glass, Non-Slip Insulating Silicone Sleeve, 100% Leak-Proof, Lockable Closure, BPA-Free, Coffee Mug to Go - Image 1](https://m.media-amazon.com/images/I/51yQZz6bpnL.jpg)

## Available Options

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

## Frequently Bought Together

- BLACK + BLUM - Leak Proof & Taste-Neutral Glass Travel Cup - Silicone Sleeve & Lockable Cap - Dishwasher Safe, Slate - 340ml
- Black+Blum Insulated Lunch Bag, 6.7L - Leak Proof Bag for Adults and Kids with Roll Top Construction - Made with Recycled PET and BPA Free - Food Bag for On The Go, Slate
- Black+Blum GR-LB-M015 Glass Bowl | Leakproof Meal Prep Lunch Box Food Container, Stainless Steel, Polypropylene with Wood Fibre and Silicone, 600 milliliters, Slate

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**Shop now:** [https://www.desertcart.co.th/products/360425953-glass-to-go-tumbler-slate-12-oz-lightweight-borosilicate-glass](https://www.desertcart.co.th/products/360425953-glass-to-go-tumbler-slate-12-oz-lightweight-borosilicate-glass)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-23*