---
product_id: 107605608
title: "BYOby BUILT 30 Ounce Double Walled Stainless Steel Tumbler Matte Black 5211325"
brand: "byo"
price: "¥7550"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/107605608-byoby-built-30-ounce-double-walled-stainless-steel-tumbler-matte
store_origin: JP
region: Japan
---

# 8 hrs hot Easy clean 24+ hrs cold BYOby BUILT 30 Ounce Double Walled Stainless Steel Tumbler Matte Black 5211325

**Brand:** byo
**Price:** ¥7550
**Availability:** ✅ In Stock

## Summary

> Sip in Style! 🥤 Elevate your hydration game.

## Quick Answers

- **What is this?** BYOby BUILT 30 Ounce Double Walled Stainless Steel Tumbler Matte Black 5211325 by byo
- **How much does it cost?** ¥7550 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/107605608-byoby-built-30-ounce-double-walled-stainless-steel-tumbler-matte)

## Best For

- byo enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from premium 18/8 stainless steel for durability.
- • **One-Hand Wonder:** Threadless lid for effortless sipping on the go.
- • **Sleek & Stylish:** Matte black finish for a modern, sophisticated look.
- • **Stay Chill, Stay Hot:** Double-wall construction keeps drinks at the perfect temperature.
- • **Cup Holder Compatible:** Designed to fit perfectly in your car's cup holder.

## Overview

The BYOby BUILT 30 Ounce Double Walled Stainless Steel Tumbler in Matte Black is engineered for both hot and cold beverages, maintaining optimal temperatures for over 24 hours cold and 8 hours hot. Its one-handed operation and spill-resistant design make it perfect for busy lifestyles, while the durable stainless steel construction ensures longevity. Easy to clean and car cup holder friendly, this tumbler is the ultimate companion for professionals on the move.

## Description

BYOby BUILT 30 Ounce Double Walled Stainless Steel Tumbler Matte Black 5211325

## Features

- GREAT FOR HOT AND COLD: The double-wall construction ensures both hot or cold drinks can be kept at optimum temperature for longer. It can keep your drinks cold for 24+ hours or hot for 8 hours.
- ONE-HANDED DRINKING: Threadless, transparent Tritan lid easily slides open and closed for a one handed operation and helps to prevent against spills. Features a convenient drinking hole for sipping for beverage or placement for your straw.
- DURABLE CONSTRUCTION: Made of high quality food grade 18/8 stainless steel, double wall vacuum-sealed construction which helps to prevent condensation from foaming on the outside of the bottle.
- EASY TO CLEAN: Designed for easy and convenient cleaning. The Tritan lid separates into two parts making it super easy to clean. Hand Wash Recommended for body and lid
- CAR CUP FRIENDLY: The tumbler stands 8.58" tall and has a diameter of 3.82" which makes it size perfectly to fit in standard sized cup holders.

## Images

![BYOby BUILT 30 Ounce Double Walled Stainless Steel Tumbler Matte Black 5211325 - Image 1](https://m.media-amazon.com/images/I/51fl5q7RFeL.jpg)
![BYOby BUILT 30 Ounce Double Walled Stainless Steel Tumbler Matte Black 5211325 - Image 2](https://m.media-amazon.com/images/I/51DfyP6u2PL.jpg)
![BYOby BUILT 30 Ounce Double Walled Stainless Steel Tumbler Matte Black 5211325 - Image 3](https://m.media-amazon.com/images/I/81Unbqg83LL.jpg)
![BYOby BUILT 30 Ounce Double Walled Stainless Steel Tumbler Matte Black 5211325 - Image 4](https://m.media-amazon.com/images/I/71aJA-JVwkL.jpg)
![BYOby BUILT 30 Ounce Double Walled Stainless Steel Tumbler Matte Black 5211325 - Image 5](https://m.media-amazon.com/images/I/51KoKa2+t6L.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.jp/products/107605608-byoby-built-30-ounce-double-walled-stainless-steel-tumbler-matte](https://www.desertcart.jp/products/107605608-byoby-built-30-ounce-double-walled-stainless-steel-tumbler-matte)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-30*