---
product_id: 780285733
title: "WATERSY 40 oz Coffee Mug to Go Thermal Mug Double-Walled Stainless Steel Vacuum Leak-Proof Drinking Cup with Handle and Straw Thermal Tumbler Black"
brand: "watersy"
price: "S$85"
currency: SGD
in_stock: true
category: "Watersy"
url: https://www.desertcart.sg/products/780285733-watersy-40-oz-coffee-mug-to-go-thermal-mug-double
store_origin: SG
region: Singapore
---

# 100% leak-proof lid system Keeps drinks hot for 6 hrs Keeps drinks cold for 12 hrs WATERSY 40 oz Coffee Mug to Go Thermal Mug Double-Walled Stainless Steel Vacuum Leak-Proof Drinking Cup with Handle and Straw Thermal Tumbler Black

**Brand:** watersy
**Price:** S$85
**Availability:** ✅ In Stock

## Summary

> ☕ Stay hot, stay cool, stay unstoppable with WATERSY!

## Quick Answers

- **What is this?** WATERSY 40 oz Coffee Mug to Go Thermal Mug Double-Walled Stainless Steel Vacuum Leak-Proof Drinking Cup with Handle and Straw Thermal Tumbler Black by watersy
- **How much does it cost?** S$85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/780285733-watersy-40-oz-coffee-mug-to-go-thermal-mug-double)

## Best For

- watersy enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Chic & Easy Clean:** BPA-free stainless steel with dishwasher-safe parts and wide-mouth design makes cleaning effortless—join the movement to reduce single-use plastics in style.
- • **Spill-Proof On-The-Go:** Innovative dual-mode lid with silicone seals ensures zero leaks whether you’re sipping through the straw or enjoying hot coffee—never worry about spills again.
- • **Massive 40 oz Capacity:** Stay hydrated or fueled all day long with a generous size that beats standard mugs—ideal for long commutes, gym sessions, or back-to-back meetings.
- • **Ergonomic & Travel-Ready:** Comfort grip handle and tapered base fit seamlessly in car and bike cup holders—designed for the busy professional always on the move.
- • **All-Day Temperature Control:** Double-walled vacuum insulation locks in heat up to 6 hours and chill up to 12 hours—your perfect companion from morning meetings to evening workouts.

## Overview

The WATERSY 40 oz Coffee Mug to Go is a premium double-walled stainless steel thermal tumbler featuring vacuum insulation that keeps beverages hot for 6 hours and cold for 12 hours. Designed with a leak-proof dual-mode lid, ergonomic handle, and wide mouth for easy cleaning, this mug is perfect for professionals seeking a stylish, durable, and eco-friendly hydration solution on the go.

## Description

Discover the Ultimate Drinking Buddy: WATERSY Premium Thermos Cup! An innovative work designed for drinking water lovers: The WATERSY insulated drinking cup combines food-grade 304 stainless steel with double-walled vacuum insulation - keeps hot drinks such as coffee/tea at 72°C for 6 hours and cold drinks such as smoothies/water below 41°F for 12 hours. Thanks to the anti-leak system with double silicone seal and dishwasher-safe parts (lid, straw, handle) Advanced User Experience Ergonomic-Proof Design: Tapered bottom fits perfectly in car/bicycle cup holders + ergonomic non-skid handle for safe transport. 2-in-1 Leak-proof Lid: Switch between straw mode (ideal for sports drinks) and siplid (perfect for hot coffee). Super Care: Wide nozzle (9 cm) and included brush make cleaning child's play - suitable for dishwasher. Eco-Win for the Low Countries Certified BPA-free & heavy metal-free with food-safe powder coating. Each cup reduces plastic waste by 80% compared to disposable variants - contribute to clean beaches and national sustainability goals! Multifunctional in Typical Scenes Gym: keeps protein shakes cool and is compatible with exercise bike cup holders. Highway: Enjoy hot coffee even in a 50-kilometer traffic jam, thanks to the leak-proof design that is suitable for attaching in the car. ️ Camping: Still keeps soup at 149°F after an 8-hour walk, with a drop and shock resistant design, suitable for rough terrain. Office: Keeps green tea warm during meetings, with stylish design suitable for business occasions. ⚠️ Important Tips For maximum insulation: fill with hot water (5 min) before use. Do not use for carbonated drinks.

## Features

- Easy to carry: this travel mug with handle design allows you to effortlessly carry it in the car or outdoors without worrying about spills. In addition, the wide opening design makes cleaning easier and provides extra convenience
- Maintain drink temperature: the large capacity thermos cup uses a double-walled stainless steel vacuum design to effectively insulate drinks. It ensures that you can enjoy the perfect drinking temperature at any time
- Leak-proof design: the travel mug has a well-sealed lid that effectively prevents drink leaks or spills for convenient carrying and travel. The lid is equipped with drinking openings for placing straws or drinking directly
- Large capacity: the thermal coffee mug is 27.5 cm high, 10 cm long and 10 cm wide. With a capacity of 40 ounces, this portable insulated car cup is ideal for long journeys or all day long so you always have plenty of drinks available
- Versatile design: not only suitable for coffee, tea or cold drinks, but also for soups and other foods to meet your diverse nutritional needs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CNPLSZBV |
| Age Range Description | Adult |
| Best Sellers Rank | #138,241 in Kitchen ( See Top 100 in Kitchen ) #946 in Insulated Cups & Mugs |
| Brand Name | WATERSY |
| Capacity | 1.13 kg |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (464) |
| Included Components | Thermal Cup |
| Is the item dishwasher safe? | No |
| Item Dimensions W x H | 10.5W x 26.5H centimeters |
| Item Weight | 0.6 Kilograms |
| Manufacturer | WATERSY |
| Manufacturer Part Number | 11 |
| Material Features | Insulated, Leak-Proof, Reusable, Eco-friendly |
| Material Type | Stainless Steel |
| Material Type Free | BPA Free, Cadmium Free, Lead Free |
| Model Number | WS4004-3 |
| Number of Items | 1 |
| Occasion | Suitable for all occasions |
| Other Special Features of the Product | Handle design, Leak Proof, Receive drink temperature |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Product Style | Modern |
| Recommended Uses For Product | Home, Travel |
| Reusability | Reusable |
| Shape | Round |
| Size | 40 oz |
| Specific Uses For Product | Cold Drinks, Hot Drinks |
| Theme | Gifts, Christmas, Birthdays |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** WATERSY
- **Capacity:** 1.13 kg
- **Colour:** Black
- **Material:** Stainless Steel
- **Special features:** Handle design, Leak Proof, Receive drink temperature

## Images

![WATERSY 40 oz Coffee Mug to Go Thermal Mug Double-Walled Stainless Steel Vacuum Leak-Proof Drinking Cup with Handle and Straw Thermal Tumbler Black - Image 1](https://m.media-amazon.com/images/I/61Iurjp+WpL.jpg)

## Available Options

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

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.sg/products/780285733-watersy-40-oz-coffee-mug-to-go-thermal-mug-double](https://www.desertcart.sg/products/780285733-watersy-40-oz-coffee-mug-to-go-thermal-mug-double)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-28*