# Vacuum Flask Maestro MR-1631 1.5 L Blue/Grey, 24 h heat retention, with lid, cup and handle

**URL:** https://aio.lv/en/product--maestro-mr-1631-150-blue--10966052
**Data updated:** 2026-01-21 11:05 (EET)
**Category:** Thermoses
**Manufacturer:** Maestro
**Manufacturer code:** MR-1631-150-BLUE
**EAN:** 4820268320452
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Maestro MR-1631 is a 1.5 L vacuum flask designed for long hot retention up to 24 hours. It features thermal insulation, a lid that doubles as a cup, a hand grip and carrying handle(s) for easy transport. Finished in blue and grey, the flask is suitable for outdoor activities, travel, work or home use when prolonged heat preservation is needed.

## Long description

The Maestro MR-1631 vacuum flask has a 1.5 L capacity and is available in blue and grey. Designed for everyday use, travel and outdoor activities, this insulated vacuum jug keeps beverages hot for up to 24 hours and combines durable materials with an ergonomic, modern appearance.
Advantages
The flask offers reliable thermal insulation that maintains heat for 24 hours, simple cleaning and care, and an ergonomic design for comfortable handling. It is made from ecologically clean materials and built to provide consistent quality and functionality over time.
Suitable for
Outdoor activities and hiking
Travel and commuting
Everyday use at home or office
Picnics and long trips
Key specifications
Capacity: 1.5 L
Hot keeping time: 24 h
Product colour: Blue, Grey
Model: Maestro MR-1631 (MPN: MR-1631-150-BLUE, EAN: 4820268320452)
How to use
Preheat the flask by rinsing with hot water, then fill with boiling or hot beverage and close the lid securely. Use the ergonomic handle and pourer to serve. After use, rinse thoroughly with warm water and mild detergent; avoid abrasive cleaners or soaking for long periods to preserve insulating properties.
Usage recommendations
To maximise heat retention, fill the flask with very hot liquid and close the cap immediately. Do not place the flask in a microwave. Hand wash recommended to maintain the surface finish and insulation performance.

## Specifications

### Features

| Feature | Value |
|---|---|
| Capacity | 1.5 L |
| Hot keeping time | 24 h |
| Hand grip | Yes |
| Carrying handle(s) | Yes |
| Product colour | Blue, Grey |
| Lid included | Yes |
| Thermal insulation | Yes |

### Packaging content

| Feature | Value |
|---|---|
| Cup included | Yes |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Maestro products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Maestro service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: capacity, hot keeping time, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/10966052/66614542_large.webp